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Cheap smart Home Sensors & Detectors

On this page you will find smart Home Sensors & Detectors at the lowest prices, more so all smart Home Sensors & 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 Shelly DS18B20 Temperature Sensor for 3.5mm jack (1m) marked at 108 Kč incl. VAT. Is this what you’re looking for?
554 Results
Ajax FireProtect 2 SB (CO) (8EU) ASP white (63218) with built-in battery
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features reset and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity up to 80 %, ingress protection IP20, input voltage 6 V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Discounted -20 % 2,937,- 3,671,-
Buy
In stock > 5 pcs at the supplier's
Order Code: AJAX25032
5.0
Eve Water Guard - Water Leak Detector - compatible with Thread
Water Leak Detector - detects water gas, mains power, sound level: 100dB, compatible with Apple Home, Apple Siri shortcuts and Samsung SmartThings, connect via Bluetooth, standalone functional unit, app with English language support for iOS
2,939,-
Buy
In stock 1 pcs
Order Code: Eve22_001
Ajax FireProtect 2 SB (Heat/CO) (8EU) ASP white (63216) with built-in battery
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features reset and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity up to 80 %, ingress protection IP20, input voltage 6 V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Discounted -20 % 2,962,- 3,703,-
Buy
In stock > 5 pcs at the supplier's
Order Code: AJAX25030
Ajax FireProtect 2 SB (Heat/CO) (8EU) ASP black (63217) with built-in battery
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features reset and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity up to 80 %, ingress protection IP20, input voltage 6 V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Discounted -20 % 2,962,- 3,703,-
Buy
In stock > 5 pcs at the supplier's
Order Code: AJAX25031
4.0
REX IoT Door Opener Detector with Mobile Alarms
Motion Sesnor with detection Opening windows and doors, range: security, power supply: Battery-Powered,
2,990,-
Buy
In stock 4 pcs at the supplier's
Order Code: Rexlo007
3.6 14×
Netatmo Smart AC Controller
Smart Wireless Remote to the air conditioning, smart, WiFi 2.4 GHz, iOS apps, Android, compatible with Apple HomeKit, Google Home, Amazon Alexa
2,999,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Neta23_01
EZVIZ Smart Sensor Kit, 4 pieces, KIT 2.0
Sensor – set of 4 smart sensors for the home, PIR sensor, opening sensor, SOS button, A3-R200 gateway, Compatible with Apple Home and Matter, control via EZVIZ application, support up to 64 devices, immediate alerts, Google Assistant and Alexa voice control, easy installation, compact design
2,999,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EZVIZ25013
Ajax FireProtect 2 SB (Heat/Smoke) (8EU) white
Smoke Detector - detects temperature, battery-powered , acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features: reset and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity up to 80 %, ingress protection IP20, input voltage 6 V, mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
3,058,-
Buy
In stock 1 pcs at the supplier's
Order Code: AJAX25017
Ajax FireProtect 2 SB (Heat/Smoke) (8EU) black (49560)
Smoke Detector - detects temperature, battery-powered , acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features: reset and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity up to 80 %, ingress protection IP20, input voltage 6 V, battery and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
3,058,-
Buy
In stock 1 pcs at the supplier's
Order Code: AJAX25018
Somfy Interior motion sensor for Tahoma control unit
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with TaHoma, range: lighting, security and windows, doors, gates, power supply: Battery-Powered,
3,079,-
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SOMF22_02
Homematic IP Meteo Sensor Basic - HmIP-SWO-B
Sensor The wireless Meteo Basic (HmIP-SWO-B) for outdoor use is part of the Homematic IP smart home system. The Weather Sensor Basic (HmIP-SWO-B) is a basic version of the weather sensor, without the possibility of predicting the amount and duration of rainfall or wind direction.
3,130,-
Buy
In stock 2 pcs at the supplier's
Order Code: Home22_33
4.7
Somfy Smoke sensor for TaHoma control units white
Smoke Detector - battery-powered , signal volume 85 dB, ingress protection IP20, input voltage 9 V, compatible with TaHoma, standalone unit, compatible with Android and Windows
3,199,-
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SOMF22_01
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
3,299,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26001
4.4
Somfy Wireless Sunis WireFree II io Solar Sensor
Sensor Wireless (battery operated) solar sensor, based on the measurement of solar radiation intensity, it controls one or more io drives of the household shading directly or via the TaHoma unit, can be placed on the outside of the house or apartment, saves energy, easy and quick installation, battery low indication
3,299,-
Buy
On the way 1 pcs
Expected 29/07/2026
Order Code: SOM2118
Nice battery operated CO sensor
Air Quality Meter - detects CO (carbon monoxide), temperature measurement from -20 to 100 °C with accuracy 0.5 °C, humidity measurement, battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from 0 to 55 °C,, ingress protection IP20, input voltage 3V, battery included, requires a central hub, app language options: Czech and English
3,332,-
Currently Unavailable
Order Code: Nice26020
Somfy Protect Signal Amplifier
Extender - Extends coverage in your home, range up to 200m, accessory for Somfy One, Somfy One+, Somfy Home Alarm
3,349,-
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SOMA09
5.0
Ajax FireProtect Plus White
Smoke Detector - detects CO (carbon monoxide), temperature, temperature measurement from 0 to 65 °C, battery-powered , notifications via push notifications, protection against sabotage, features: alarm, cover material plastic, operating temperature from 0 to 65 °C, operating humidity up to 80 %, holder included, standalone unit requires a central hub
3,352,-
Buy
In stock > 5 pcs at the supplier's
Order Code: AJAX8219
5.0
Somfy Thermis Wirefree II io Battery Temperature Sensor
Temperature Sensor - Wireless (battery) temperature sensor for TaHoma system suitable for interior and exterior, can control your shading or automated heating depending on outdoor/indoor temperature, TaHoma system can be set scenarios or agenda when changing temperature to control multiple devices, saves energy, easy and quick installation.
3,479,-
Buy
On the way 1 pcs
Expected 29/07/2026
Order Code: SOM2119
Somfy Sunteis io wireless sun and temperature sensor, white
Sensor - solar power, maintenance-free, IP44, autonomy up to 4 days without solar gain, life expectancy up to 10 years, 5 years warranty, Compatible with TaHoma and Somfy io shading actuators, measurement of outdoor temperature and solar radiation intensity, integrated compensation algorithm for accurate measurement, wireless installation, fixing with wall bracket
3,489,-
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SOMF26002
Homematic IP with brightness sensor, outdoor, white
Motion Sesnor , connect through Radio frequency, closed system with detection motion and Light compatible with Manufacturer app, range: lighting and security, application in English, Czech and German, power supply: Power plug,
3,490,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home24001
5.0
Homematic IP Door lock drive - HmIP-DLD
Smart Lock -, app in English
3,490,-
Buy
In stock 3 pcs at the supplier's
Order Code: Home22_18
Homematic IP with brightness sensor outdoor, anthracite
Motion Sesnor , connect through Radio frequency, closed system with detection motion and Light compatible with Manufacturer app, range: lighting and security, application in English, Czech and German, power supply: Battery-Powered,
3,590,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home24002
5.0
Somfy Indoor siren
Siren - open system, area of use: security, compatible with Manufacturer app, power supply: Battery-Powered
3,689,-
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SOMA06
MDT Technologies Motion sensor 55 × 55 mm, illuminance measurement, matte black
Motion Sesnor , connect through Ethernet, open system with detection motion compatible with Manufacturer app, range: electrical installation and home control,
3,724,-
Buy
In stock 1 pcs at the supplier's
Order Code: MDTT24289
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