Try our cookies Alza.cz a. s., Company identification number 27082440, use cookies and other data to ensure the proper functioning of the website and, with your consent, also, among other things, to personalize advertising and the content of our websites. By clicking on the “I understand“ button, you agree to the use of cookies and the transfer of data regarding the behavior on the website for displaying targeted advertising on social networks and advertising networks on other websites.
Alzak icon
Catalogue
Price
-
Availability
Order status
Product type
(45)
(137)
(62)
(16)
(11)
Detection Type
(152)
(60)
(50)
(49)
(41)
Detection element
(75)
(28)
(19)
(15)
(11)
Range
1 m
1,700 m
-
Colour
(323)
(29)
(2)
(2)
(1)
(9)
Newest orders

Best sellers, best detectors

We also think that you deserve the best. That’s why on this page, we ranked detectors from the most sold to the least sold. You have 376 products to choose from. Customers have the most interest in EMOS GoSmart Carbon Monoxide Detector TCS0101W, Wi-Fi, which you can buy for 829 Kč incl. VAT. If you’re intrested in detectors in terms of the highest reviews, then look at the detectors reviews and tests category.
376 Results
SAFE SET FIRE BASIC - 1x SAFE50HUB-WRF, 2x SAFE10Y30-RF
Security Kit - includes 1x central unit (SAFE50HUB-WRF) and 2 x fire detectors (SAFE10Y30-RF), The set offers extended smoke and fire protection for the home, Wirelessly connected detectors with long battery life of up to 10 years and a central hub provide instant notification throughout the building, easy installation without cables, expandable with additional detectors, ideal for apartments and houses
2,791,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AJAX26012
SAFE SET FIRE BASIC PLUS - 1x SAFE50HUB-WRF, 3x SAFE10Y30-RF
Security Kit - includes 1x central unit (SAFE50HUB-WRF) and 3 x fire detectors (SAFE10Y30-RF), The set offers extended smoke and fire protection for the home, Wirelessly connected detectors with long battery life of up to 10 years and a central hub provide instant notification throughout the building, easy installation without cables, expandable with additional detectors, ideal for apartments and houses
3,491,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AJAX26013
SAFE Starter Kit Fire, white
Security Kit - wireless for early fire detection, includes Hub 2 Plus LTE and 3× Fire Guard, instant notifications in ProSAFE, encrypted communication (AES128), backup via LTE (2× SIM), long battery life, easy installation via QR, suitable for apartments and houses, White colour
8,991,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AJAX26009
SAFE Dry Relay
Smart Module - wireless relay for switching external devices, 1× NO/NC relay (0-36 V DC, max. 5 A), 1× sabotage input, encrypted communication 868.0-868.6 MHz (AES128), bi-directional power supply 7-24 V DC, range up to 1 200 m (OP) Cloud update, LED signalling, compatible with SAFE Hub 2 Plus LTE
991,-
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26011
SAFE Door Guard Plus, white
Sensor - wireless magnetic open, shock and tilt detector for window and door security Powered by a replaceable battery that allows continuous operation for up to 4 years, white colour
1,161,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26008
SAFE Door Guard, white
Sensor - Wireless magnetic door and window security detector Powered by a replaceable battery that allows continuous operation for up to 5 years, white colour
881,-
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26009
SAFE Glass Guard, white
Sensor - wireless glass breakage detector for security of glazed surfaces equipped with two NC inputs, Multi-factor glass breakage detection with the possibility of remote sensitivity configuration significantly eliminates the occurrence of false alarms, The detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
1,191,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26007
SAFE Motion Guard Plus, white
Sensor - wireless dual PIR motion detector with microwave sensor detecting motion up to 12 meters, which is able to reliably ignore the movement of animals in the guarded area (PET immunity) up to a weight of 18 kg and 50 cm height, The detector is powered by a replaceable battery type CR123A, which allows continuous operation of the detector for up to 4 years, colour white
1,591,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26002
SAFE Water Guard, white
Sensor - wireless water leak detector, the detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
991,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26005
SAFE Fire Guard, white
Sensor - wireless fire detector with groundbreaking dual-spectrum detection and SIC technology, It can operate in a SAFE system or completely autonomously. Battery powered for up to 36 months, The detector has high sensitivity, stable performance and maximum resistance to false alarms, colour white
991,-
Buy
In stock > 5 pcs at the supplier's
Order Code: SAFEH26004
SAFE Motion Guard, white
Sensor - wireless motion detector equipped with dual PIR sensor detecting motion at a distance of up to 12 meters, PET immunity up to a weight of 18 kg and 50 cm height, The detector is powered by a replaceable battery that allows continuous operation of the detector for up to 4 years, colour white
1,291,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26003
SAFE Motion Cam (PhOD), white
Sensor - wireless dual PIR motion detector with photo camera, images in case of an alarm, or on request (PhOD), Motion detection up to 12 metres, which reliably ignores the movement of animals in the guarded area up to a weight of 18 kg and a height of 50 cm, Battery life for up to 4 years, Colour white
3,291,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26001
SAFE Wireless flammable and explosive gas detector 5YGAS-RF
Gas Leak Detector - detects natural gas, mains power supply, detection reach 1000 m, acoustic, visual signals, signal volume 85 dB, features alarm, cover material plastic, operating temperature from -10 to 55 °C, operating humidity from 5 to 95 %, power adapter and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
New arrival 1,390,-
Buy
In stock > 5 pcs at the supplier's
Order Code: SAHhob014
New arrival 790,-
Buy
In stock > 5 pcs at the supplier's
Order Code: SAHhob013
SAFE FireSafe 10YDCO-RF Wirelessly connectable carbon monoxide (CO) detector
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, features alarm, cover material plastic, operating temperature from -10 to 55 °C, operating humidity from 5 to 95 %, battery and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
New arrival 1,390,-
Buy
In stock > 5 pcs at the supplier's
Order Code: SAHhob012
SAFE FireSafe 10Y30-RF wirelessly connectable fire detector
Smoke Detector - detects dust particles, battery-powered , detection reach 1000 m, acoustic, visual signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 55 °C, operating humidity from 5 to 95 %, battery and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
New arrival 790,-
Buy
In stock > 5 pcs at the supplier's
Order Code: SAHhob011
AVATTO Zigbee Water Sensor
Sensor - ZigBee connection (ZigBee gateway required), compatible with Tuya/Smart Life, water leak detection (probe), in-app notifications (push notifications), local alarm, history of alarm records, smart automation/scenes (intelligent linkage), low consumption, power supply CR2032 (DC 3 V), battery life > 1 year, Low battery indication, 2.4 GHz transmission, operating temperature -10 to +55 °C, dimensions Ø 59,5 × 17 mm
Currently Unavailable
Order Code: AVT060a
Meross Smart Water Leak Sensor
Sensor - dual detection probe (upper and lower), detection of small droplets and larger leaks, instant acoustic alarm 100 dB, alerts via push notifications to your phone, synchronised alarm with Meross Hub (simultaneous response of all connected units), IP66 resistance, the possibility of smart automations in the app, detection history in the application up to 2 years + data export option, Compatible with Apple Home, Google Home, Amazon Alexa and Samsung SmartThings, control via the Meross app, power supply 2× AAA batteries, battery life up to 3 years, suitable for placing under the sink / next to the washing machine / dishwasher / in the utility room
Buy with code ALZADNY20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky. 295,-
-7 % off new 369,- New 399,-
Buy
Unsealed - in stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer2520
Nedis Miniature Smoke Detector DTCTSL40WT
Smoke Detector - acoustic signals, signal volume 85 dB, features: alarm, cover material plastic, operating temperature from -10 to 50 °C, standalone unit
829,-
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: BEFlist0018
Siemens Connected Home water leak detector SCH040ZB, ZigBee
Water Leak Detector - detects water gas, battery-powered, reaction time: 2s, sound level: 60dB, compatible with Connected Home, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
1,890,-
Buy
In stock 3 pcs at the supplier's
Order Code: SimS25001
Honeywell Home Shut-off Valve L5 WiFi 1" and Leak Detector
Humidity Sensor - acoustic signalling, notifications via push notifications, cover material plastic, operating temperature up to 50 °C, input voltage 230 V, sensing cable in the package, independently functional unit, compatible with Android and iOS
5,889,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HONcid01
Hütermann Gas leak detector G10
Gas Leak Detector - mains power supply, acoustic signals, signal volume 85 dB, features alarm, operating temperature to 55 °C, operating humidity up to 95 %, standalone unit
599,-
Buy
In stock 3 pcs at the supplier's
Order Code: EMPlist0132
Hütermann Fire detector and smoke detector
Smoke Detector - battery-powered , detection reach 3 m, acoustic signals, signal volume 85 dB, battery indication, features: alarm, operating temperature from 0 to 50 °C, operating humidity from 10 to 90 %, standalone unit
289,-
Buy
In stock 3 pcs at the supplier's
Order Code: EMPlist0128
Meross Smart Water Leak Sensor
Sensor - dual detection probe (upper and lower), detection of small droplets and larger leaks, instant acoustic alarm 100 dB, alerts via push notifications to your phone, synchronised alarm with Meross Hub (simultaneous response of all connected units), IP66 resistance, the possibility of smart automations in the app, detection history in the application up to 2 years + data export option, Compatible with Apple Home, Google Home, Amazon Alexa and Samsung SmartThings, control via the Meross app, power supply 2× AAA batteries, battery life up to 3 years, suitable for placing under the sink / next to the washing machine / dishwasher / in the utility room
Buy with code ALZADNY20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky. 319,-
399,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer2520
 
Check out products sorted by price starting with the lowest price in the category cheap detectors Find products sorted from the most expensive to the cheapest in the category most expensive detectors Check out products sorted by price starting with the highest price in the category best sellers, best detectors You’ll find products sorted by reviews starting from the highest ranked in detectors reviews
P-DC1-WEB24