Try our cookies Alza.cz a. s., Company identification number 27082440, uses cookies to ensure the functionality of the website and with your consent also to personalisage the content of our website. 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
(48)
(130)
(59)
(13)
(10)
Detection Type
(146)
(58)
(53)
(43)
(38)
Detection element
(70)
(25)
(19)
(12)
(10)
Range
1 m
1,700 m
-
Colour
(310)
(30)
(1)
(2)
(1)
(7)
Newest orders

Cheap detectors

On this page you will find detectors at the lowest prices, more so all detectors ranked from the lowest to the highest price. It will be easier to see products that are now marked at their lowest price. The item with the lowest price in this category is iGET SECURITY P9 - wireless water level detector for iGET SECURITY M3B and M2B marked at 139 Kč incl. VAT. Is this what you’re looking for?
354 Results
1.0
Smoot Air Motion
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Apple Siri shortcuts and Tuya, range: lighting and security, application in Czech, power supply: Battery-Powered,
490,-
Buy
In stock 4 pcs at the supplier's
Order Code: HLDdh18
2.0
QINGPING Motion & Light sensor, T version (Apple Homekit)
Motion Sesnor , connect through Bluetooth with detection motion and Light compatible with Apple Home and Manufacturer app, range: lighting and security, application in English and Czech,
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. 392,-
490,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: QGP005a
4.4
Bentech Gasman LCD standalone fire alarm and gas leak detector
Gas Leak Detector - detects natural gas, propane-butane, mains power supply, detection reach 30 m, reaction time 20 s, acoustic signals, battery indication, features alarm, cover material plastic, operating humidity from 30 to 95 %, input voltage 230 V, standalone unit
Discounted -37 % 490,- 789,-
Buy
In stock > 10 pcs at the supplier's
Order Code: WSaaa1545
1.0
Tellur WiFi Smart Motion Sensor, PIR, White
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Manufacturer app, range: security, application in English, power supply: Battery-Powered,
496,-
Buy
In stock 5 pcs at the supplier's
Order Code: TLLR2101
4.5
Alecto COA3910
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features alarm, cover material plastic, input voltage 3V, battery and mounting kit included, standalone unit
497,-
Currently Unavailable
Order Code: AQhob11
3.9 10×
Niceboy ION ORBIS Motion Sensor
Motion Sesnor , open system with detection motion compatible with Niceboy ION, range: home control, application in English, Czech and Slovak,
Buy with code ALZADNY40 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Get 40 % off with code ALZADNY40. 299,-
499,-
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NCB23_006
4.5
Niceboy ION ORBIS Water Sensor
Water Leak Detector - detects water gas,, compatible with Niceboy ION, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
499,-
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NCB23_008
4.9 27×
SONOFF SNZB-05P Zigbee Water Leak Sensor & Detection Cable
Sensor - protection against water damage in your home, Zigbee, email alerts, SMS or mobile phone notifications, on a CR2477 battery (battery not included), degree of protection IP67, Zigbee2MQTT and Home Assistant support, cable included for extended detection range
499,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNFa110
5.0
FireAngel FA6115 Optical Fire Detector
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, operating temperature from 4 to 38 °C, operating humidity up to 90 %, standalone unit
499,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH179
4.0
iGET SECURITY EP9 - wireless water sensor for iGET M5-4G alarm
Detector water detection sensor for iGET SECURITY M5 alarm. It is used for water detection in bathrooms, technical rooms, tanks, etc., wherever there is a risk of water flooding. As soon as the detection plate detects water, the transmitter informs the alarm. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
499,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21017
4.5 29×
Emos GS558
Smoke Detector - battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, operating temperature from 10 to 40 °C, operating humidity from 30 to 95 %, battery included, standalone unit
499,-
Currently Unavailable
Order Code: EMDET0002
4.6
iGET SECURITY P17 - wireless PIR motion detector without animal detection for iGET SECURITY M3B and
Motion Sensor - Exterior and Interior, battery powered, input voltage: 9 V, reach of 80m, connection via radio waves, a central unit is required to function
499,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NU111
4.6 14×
iGET SECURITY P14 - wireless smoke detector for iGET SECURITY M3B and M2B
Smoke Detector - battery-powered , reaction time 1 s, acoustic, visual signals, notifications via SMS, signal volume 85 dB, features: test button, cover material plastic, operating temperature from 5 to 50 °C, operating humidity from 20 to 90 %, compatible with iGet Home, standalone unit
499,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NU105z
4.9 13×
SAFE HOME SAFE 10Y30-PRO
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, operating temperature from -10 to 55 °C, operating humidity up to 95 %, input voltage 3V, standalone unit
Discounted -5 % 499,- 529,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH296
4.0
WOOX R7081 Smart Vibration Sensor
Vibration Detector - detects vibration gas, battery-powered, range: 70 m, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
499,-
Currently Unavailable
Order Code: WOOX22_02
4.8 68×
TP-Link Tapo S200B, Smart button
Dimmers for controlling lights, electronics and other Tapo smart devices, adjustable actions, battery operation (1× CR2032)
499,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP22_37
5.0
EVOLVEO SecuPro wireless PIR motion sensor
Motion Sesnor , connect through WiFi 2,4 GHz and WiFi 5 GHz with detection motion compatible with Tuya, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
499,-
Buy
In stock > 10 pcs at the supplier's
Order Code: EVO24008
1.0
Nedis ALRMMW20WT
Motion Sensor - Exterior, battery powered, reach of 80m, sound volume: 85dB, independently functional unit
499,-
Buy
In stock > 5 pcs at the supplier's
Order Code: HOMEaaa1203
4.3 10×
IMMAX NEO Smart water leak sensor, Zigbee 3.0 + prodloužená záruka o 1 rok ZDARMA
Water Leak Detector - detects water gas, battery-powered, range: 30 m, sound level: 120dB, compatible with Google Home, Tuya, Lidl Home and Immax NEO PRO, connect via WiFi 2,4 GHz and WiFi 5 GHz, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
499,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMXX2314
4.7 87×
TP-Link Tapo T100, Smart motion sensor
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Samsung SmartThings, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
509,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP22_38
3.0
EMOS GoSmart PIR sensor (motion sensor) with night light, Wi-Fi
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, range: lighting, application in English, Czech, German, Slovak, Hungarian and In Polish, power supply: Power plug,
Great price 529,- Save 20,-
Buy
In stock > 10 pcs at the supplier's
Order Code: EMOS24145
4.5 52×
AQARA Water Leak Sensor T1
Water Leak Detector - detects water gas, battery-powered, compatible with Apple Home, Google Home, Samsung SmartThings, IFTTT and Aqara Home, connect via Bluetooth, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
529,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara23_005
2.8
MOES IR Human Sensor, Zigbee
Motion Sesnor , open system with detection motion compatible with Tuya, range: security and home control, application in English, Czech, German, Slovak and Hungarian, power supply: Battery-Powered,
Buy with code ALZADNY25 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 25% s kódem ALZADNY25. 404,-
539,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Moes22_42
4.1 93×
TESLA Smart Sensor Temperature and Humidity Display
Sensor - on the wall and on the table, measures temperature and humidity, with a display, 2 AAA batteries, white colour, dimensions 61 × 61 × 23 mm (H×W×D)
Buy with code ALZADNY10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky. 485,-
539,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tsl_22_28

Cheap detectors

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-WEB19