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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 4.49 € incl. VAT. Is this what you’re looking for?
346 Results
4.9 13×
Eufy Entry Sensor
Door and Window Sensor - magnetic on the door/window, checking that the door is closed, fully compatible with Eufy Security devices, battery in the package - last 2 years, apps on your smart device, iOS/Android, the product requires a central unit
26.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EUF01c
EMOS GoSmart Water Leak Detector P56000S, ZigBee
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
27.42 €
Buy
Ordered on request
Order Code: EMOS24054
4.5
Meross Smart Smoke Alarm
Smoke Detector - battery-powered , reaction time 0,002 s, acoustic signals, notifications via push notifications, signal volume 110 dB, features: alarm, cover material plastic, operating temperature from 0 to 55 °C, operating humidity from 0 to 95 %, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Discounted -15 % 27.90 € 32.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer2518
4.4 48×
AQARA Door and Window Sensor P2
Door and Window Sensor - wireless, compatible with Apple Home, Google Home, Samsung SmartThings and Aqara Home, connect via Bluetooth, battery indication, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
27.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AqRAA_0018
4.8
EZVIZ T1C PIR
Motion Sesnor , closed system with detection motion compatible with Google Home and EZVIZ, range: security, application in English, Czech, German and Hungarian, power supply: Battery-Powered, with IFTTT-compatible motion detection, area of use - security, Application language In English, In Czech, In German and Hungarian, Power supply Battery operated, PIR sensor T1C
27.90 €
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In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EZVIZ23_01
28.67 €
Buy
Ordered on request
Order Code: IMMX26051
3.0
Imou gas sensor/detector ZGA1
Gas Leak Detector - mains power supply, detection reach 200 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, features self-diagnostics, automatic scenarios and alarm, cover material plastic, power adapter and mounting kit included, requires a central hub, app language: English , compatible with Android and iOS
28.90 €
Buy
Ordered on request
Order Code: Imou23_40
5.0
EVOLVEO Alarmex Pro (ACSALMSMK) wireless smoke detector
Smoke Detector - mains power supply, detection reach 80 m, acoustic signals, signal volume 90 dB, features: test button, cover material plastic, operating temperature from 0 to 55 °C, input voltage 9 V, standalone unit requires a central hub
28.90 €
Buy
On the way 1 pcs
Expected 22/07/2026
Order Code: EVO22_08
4.9 15×
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated
Smoke Detector - temperature measurement to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating temperature to 40 °C, operating humidity from 25 to 93 %, input voltage 3V, battery included, standalone unit
28.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_04
4.7
Meross Smart Presence Sensor
Sensor - dual detection technology, accurate presence detection even without motion, range up to 12 m, intelligent lighting automation, minimising false alarms, HomeKit compatibility, Alexa, Google Home and Matter, stable and secure connection, continuous cable power supply, adjustable base, protective shield against pet detection, mounting bracket included
Discounted -9 % 29.62 € 32.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer2415
AQARA Multi-State Sensor P100 Kit (VB-S03D), grey
Vibration Detector - detects Opening windows and doors, vibration and Angle gas, battery-powered, compatible with Apple Home, Google Home, Samsung SmartThings and Aqara Home, adjustable sensitivity, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
29.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara26001
AQARA Multi-State Sensor P100 Kit (VB-S03DW), white
Vibration Detector - detects Opening windows and doors, vibration and Angle gas, battery-powered, compatible with Apple Home, Google Home and Aqara Home, connection via radio waves, adjustable sensitivity, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
29.90 €
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In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara26002
HEATIT Floor Sensor o3mm 15m NTC 10
Sensor - floor sensor ø3mm 15m NTC 10 kΩ for use with Heatit thermostats,. For overheating protection, the sensor is placed close to the floor to overlook the floor temperature
29.90 €
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HEA23_13
4.8 27×
TESLA Smart Water Sensor
Water Leak Detector - detects water gas, battery-powered, range: 50 m, compatible with Tuya, Smartlife and Tesla Smart, connection via radio waves, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
29.90 €
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In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tsl_22_29
Meross Combo Smoke and Carbon Monoxide Alarm
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 50 to 300 ppm, deviation 50 ppm, detection reach 3 m, acoustic signals, signal volume 85 dB, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 15 to 95 %, holder and mounting kit included, standalone unit
New arrival 30.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer2602
EVOLVEO SecuPro, wireless siren with solar power
Siren - closed system, area of use: security, power supply: Battery-Powered, Solar and USB
30.90 €
Currently Unavailable
Order Code: EVO24013
4.1 17×
AQARA Motion and Light Sensor P2
Motion Sesnor , connect through Bluetooth, open system with detection motion and Light compatible with Apple Home and Aqara Home, range: lighting and security, application in English, Czech, German, Slovak and In Polish, power supply: Battery-Powered,
30.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara24002
EVOLVEO Wireless 360° PIR Ceiling Motion Sensor for Sonix
Motion Sesnor , connect through Radio frequency, closed system with detection motion, range: security, application in English, Czech, Slovak and Hungarian, power supply: Battery-Powered,
30.90 €
Currently Unavailable
Order Code: EVolv08
3.7
Meross Smart Presence Sensor (Thread)
Sensor - mmWave occupancy sensor with micro motion detection, Matter over Thread, Local control without Wi-Fi, range up to 6 m, multi-zone detection, 360° swivel bracket, IP67, CR123A battery up to 3 years
Discounted -14 % 31.37 € 36.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer2601
4.7
MOES CO Detector, Zigbee
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features self-diagnostics, cover material plastic, operating temperature from -10 to 40 °C,, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Discounted -14 % 31.37 € 36.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Moes22_37
4.8 107×
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, acoustic signals, signal volume 85 dB, features test button, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 25 to 95 %, ingress protection IP44, input voltage 3V, battery included, standalone unit
Discounted -22 % 31.40 € 40.42 €
Currently Unavailable
Order Code: HNW22_01
31.90 €
Currently Unavailable
Order Code: Shell26037
31.90 €
Currently Unavailable
Order Code: Shell26036
4.9 11×
SONOFF IP65 Zigbee LCD Smart Thermometer (Probe Version) SNZB-02LD
Digital Thermometer – IP65 waterproof design with 1.5m probe, temperature measurement even in liquids and confined spaces, 2.2″ LCD display, accuracy ±0.2 °C, measurement history up to 180 days, smart scenes and notifications, compatible with voice assistants, Zigbee 3.0 compatible
31.90 €
Buy
On the way > 5 pcs
Expected 17/07/2026
Order Code: SNFa117
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