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Best sellers, best smart Home Sensors & Detectors

We also think that you deserve the best. That’s why on this page, we ranked smart Home Sensors & Detectors from the most sold to the least sold. You have 344 products to choose from. Customers have the most interest in SONOFF Zigbee Temperature and Humidity Sensor, which you can buy for 17.90 € incl. VAT. If you’re intrested in smart Home Sensors & Detectors in terms of the highest reviews, then look at the smart Home Sensors & Detectors reviews and tests category.
344 Results
4.4 30×
SwitchBot Thermometer & Hygrometer
Sensor - temperature and humidity, senses 24 hours a day, Wi-Fi, Bluetooth, range: 120 m, colour: white
12.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SwBot21_03
2.8
Nedis switch RFWS20WT
Toggle Switch RF, smart, wall-mounted, range 30 m, Double, White colour
11.90 €
Currently Unavailable
Order Code: NDS_21_02
4.2 20×
Netatmo Smart Carbon Monoxide Alarm
Gas Leak Detector - battery-powered, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Apple Home, standalone unit, app language options: Czech and English , compatible with Android, Windows and iOS
89.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NetA_21_01
22.90 €
Currently Unavailable
Order Code: iQ21TECH147
3.8 11×
iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0
Smoke Detector - battery-powered , detection reach 10 m, notifications via push notifications, battery indication, features: alarm, cover material plastic, compatible with Tuya and Smartlife, standalone unit, app language options: Czech and English , compatible with Android and iOS
32.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iQ21TECH144
3.0
iQtech Smartlife WL04 Zigbee Flood sensor, Zigbee 3.0
Water Leak Detector - detects water gas,, compatible with Tuya and Smartlife, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
25.90 €
Currently Unavailable
Order Code: iQ21TECH142
4.8
iQtech Smartlife MS03 Zigbee PIR motion sensor, Zigbee 3.0
Detector PIR motion sensor, Zigbee 3.0
34.90 €
Currently Unavailable
Order Code: iQ21TECH140
iQtech Smartlife GW001, Zigbee 3.0 gateway, WiFi
Detector Zigbee 3.0 gateway, WiFi
41.90 €
Buy
On the way 1 pcs
Expected 30/06/2026
Order Code: iQ21TECH137
4.7 47×
IMMAX NEO LITE Smart IR remote control with temperature and humidity sensors, WiFi
Smart Wireless Remote - Smart IR, TUYA, WiFi, remote control of all devices, which are normally controlled by remote control with IR port, remote control, automation, measures temperature and humidity, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, with Amazon Alexa voice assistants, Apple Siri Shortcuts, Google Assistant and TUYA systems, LIDL
31.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX_21_02
5.0
Honeywell adapter for HR90, HR92, HR30 to Herz and Comap M28x1,5 valves
Heating Set - adapter for installation of Honeywell thermostatic heads on Herz and Comap radiator valves with M28 × 1.5 thread (HR92, HR90, HR30)
9.89 €
Currently Unavailable
Order Code: HN21Well20
4.3
iGET SECURITY EP24 - indoor siren, battery or microUSB power supply for iGET M5-4G alarm
Siren - closed system, area of use: security, OS supported: Android and iOS, power supply: Power plug and Battery-Powered, in Czech and English
40.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21026
4.9
iGET SECURITY EP22 - RFID key for iGET M5-4G alarm
RFID Keyring - RFID key for iGET SECURITY M5 alarm. Attached to the iGET SECURITY EP13 wireless keypad for remote alarm control.
Amazing Deal 8.59 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21024
4.7 17×
iGET SECURITY EP5 - remote control (key fob) for iGET M5-4G alarm
Wireless Controller Remote control for basic control, for iGET SECURITY M5 alarm. The following settings can be made using the rotary pushbutton: activation, deactivation, home mode, SOS. It contains one freely adjustable button on the underside.
19.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21023
4.9
iGET SECURITY EP14 - wireless smoke sensor for iGET M5-4G alarm
Detector Smoke sensor for iGET SECURITY M5 alarm. It works independently and also as an accessory for the iGET SECURITY M5 alarm. It complies with the provisions incl. EN14604:2005. Optical smoke detection, unobtrusive design. Protection against sabotage, highest transmission security 256bit, Long battery life up to 3 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
32.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21019
4.6
iGET SECURITY EP10 - wireless vibration sensor for iGET M5-4G alarm
Detector vibration detection sensor for iGET SECURITY M5 alarm. It is used for windows, showcases, valuable things like TV, antiques, etc. As soon as a minor shock occurs, the sensor immediately sounds an 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.
19.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21018
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.
20.90 €
Currently Unavailable
Order Code: iGt21017
4.9 22×
iGET SECURITY EP4 - wireless magnetic door/window sensor for iGET M5-4G alarm
Detector magnetic sensor for door and window opening detection, for iGET SECURITY M5 alarm. Alerts you if you forget to close the window/door when you leave. 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.
Discounted -9 % 18.90 € 20.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21016
3.7 24×
iGET SECURITY EP1 - wireless PIR motion sensor for iGET M5-4G alarm
Detector PIR motion sensor for iGET SECURITY M5 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. Special magnetic holder for attachment containing trigger.
26.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21015
4.9 12×
Airthings Corentium Home (224 B/m3) - digital radon detector
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
154.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air21TNG4
5.0
Airthings Wave Radon – air quality, radon, humidity, and temperature sensor
Air Quality Meter - detects temperature, humidity, radon, temperature measurement with accuracy 0.1 °C, humidity measurement with accuracy 1 %, battery-powered, visual signals, notifications via push notifications, cover material plastic, operating temperature from 4 to 40 °C, battery and mounting kit included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
199.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air21TNG3
4.3 15×
Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation 30 ppm, temperature measurement with accuracy 0.1 °C, humidity measurement with accuracy 1 %, battery-powered, visual signals, notifications via push notifications, battery indication, cover material plastic, operating temperature from 4 to 40 °C, operating humidity to 85 %, battery and mounting kit included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
296.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air21TNG2
4.2 12×
Airthings Wave mini - air quality, humidity, temperature and air chemicals sensor
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %, battery-powered, visual signals, notifications via push notifications, battery indication, operating temperature from 4 to 40 °C, holder and battery included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
68.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air21TNG1
5.0
Shelly-BYPASS
Switching Relay - Shelly Bypass, compatible with Shelly 1L and Shelly Dimmer 2
4.60 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SHELLa2118
3.5
iGET SECURITY P11v2 - wireless outdoor siren (battery/adapter)
Siren - closed system, area of use: security, OS supported: Android and iOS, power supply: Power plug and Battery-Powered, in Czech and English
53.90 €
Currently Unavailable
Order Code: iGt21012
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