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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 RETLUX RDT 201 marked at 159 Kč incl. VAT. Is this what you’re looking for?
All from 372
Flammable gas leak detector - solid state sensor, 85dB siren, battery backup - Gas Leak Detector
Flammable gas leak detector - solid state sensor, 85dB siren, battery backup
359,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects natural gas, propane-butane, LPG, deviation 1500 ppm, gas detection sensitivity 2500 ppm, combined mains + battery-powered , acoustic signals, signal...
Added to cart
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Sonoff MS01 Smart Soil Moisture Sensor - Sensor
Sonoff MS01 Smart Soil Moisture Sensor
Discounted -18 % 359,- 439,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - humidity sensor, waterproof (IP55), compatible with Sonoff TH Origin/Elite sensor, cable 50 cm long, support for voice assistants, operating temperature 0 to 60 °C,...
Added to cart
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Solight CO flue gas detector, 85 dB - Gas Leak Detector
Solight CO flue gas detector, 85 dB
Great price 369,- Save 30,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 50 ppm, gas detection sensitivity 50 ppm, battery-powered, acoustic, visual signals, signal volume 85 dB,...
Added to cart
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Electrobock CN15F with 2 sensors - Motion Sesnor
Electrobock CN15F with 2 sensors
Great price 369,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Added to cart
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EVOLVEO wireless vibration detector for Alarmex/Sonix - Vibration Detector
EVOLVEO wireless vibration detector for Alarmex/Sonix
369,-
Currently Unavailable
Vibration Detector - detects Opening windows and doors and vibration gas,, range: 40 m, standalone functional unit
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BOT Smart Water Leak Sensor Zigbee ZWL2 - Water Leak Detector
BOT Smart Water Leak Sensor Zigbee ZWL2
New arrival 379,-
In stock > 10 pcs at the supplier's
Water Leak Detector - detects water gas, battery-powered, range: 50 m, sound level: 90dB, compatible with Tuya, central unit required to function,, app with Czech language support,...
Added to cart
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SAFE HOME SAFE 10Y30-BASIC - Smoke Detector
SAFE HOME SAFE 10Y30-BASIC
379,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, operating temperature from -10 to 55 °C, operating humidity from 5 to 95 %, input...
Added to cart
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Elektrobock LX28B - Motion Sesnor
Elektrobock LX28B
379,-
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Added to cart
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BOT Smart Motion Sensor WiFi WMR1 - Motion Sesnor
BOT Smart Motion Sensor WiFi WMR1
New arrival 389,-
In stock > 5 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Tuya,
Added to cart
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Smoot Air Vibration Smart Vibration Sensor - Vibration Detector
Smoot Air Vibration Smart Vibration Sensor
390,-
In stock 3 pcs at the supplier's
Vibration Detector - detects vibration gas, battery-powered, compatible with Apple Siri shortcuts, Google Home, Tuya and Smartlife, connect via WiFi 2,4 GHz, battery indication and...
Added to cart
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Elektrobock IR24A - Motion Sesnor
Elektrobock IR24A
Amazing Deal 399,- Save 40,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , closed system with detection motion, range: lighting and electrical installation, power supply: Power plug,
Added to cart
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RETLUX RSH 310 Smart Water Leak Sensor - Water Leak Detector
RETLUX RSH 310 Smart Water Leak Sensor
New arrival 399,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects water gas, battery-powered, compatible with Tuya, Smartlife and Manufacturer app, connection via radio waves, battery indication, central unit...
Added to cart
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Meross Smart Water Leak Sensor - Sensor
Meross Smart Water Leak Sensor
399,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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,...
Added to cart
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Xiaomi Mi Motion Sensor 2S - Motion Sesnor
Xiaomi Mi Motion Sensor 2S
399,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Light compatible with Xiaomi Home, range: lighting, security and home control, power supply:...
Added to cart
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SONOFF SNZB-05P Zigbee Water Leak Sensor - Sensor
SONOFF SNZB-05P Zigbee Water Leak Sensor
399,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - protection against water damage in your home, Zigbee, email alerts, SMS or mobile notifications, on a CR2477 battery, degree of protection IP67, Zigbee2MQTT and Home...
Added to cart
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IMMAX NEO Smart PIR sensor 2in1 Zigbee 3.0 - Motion Sesnor
IMMAX NEO Smart PIR sensor 2in1 Zigbee 3.0
Discounted -11 % 399,- 449,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , open system with detection motion and Light compatible with Apple Siri shortcuts, Tuya, Lidl Home, Smartlife, Nedis SmartLife, ETA SMART, Tesla Smart and Immax NEO...
Added to cart
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MOES Water Leakage Detector, Zigbee - Water Leak Detector
MOES Water Leakage Detector, Zigbee
399,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects water gas, battery-powered, compatible with Tuya and MOES, battery indication, central unit required to function,, app with Czech language support,...
Added to cart
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FireAngel SB5 fire and smoke detector - Smoke Detector
FireAngel SB5 fire and smoke detector
399,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , acoustic, visual signals, signal volume 85 dB, features: test button and temporary shutdown, operating temperature from 0 to 40 °C, operating...
Added to cart
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KIDDE 29HD Smoke Detector - Smoke Detector
KIDDE 29HD Smoke Detector
399,-
Currently Unavailable
Smoke Detector - acoustic, visual signals, signal volume 85 dB, standalone unit
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iGET SECURITY P1v2 - wireless PIR motion detector - Motion Sesnor
iGET SECURITY P1v2 - wireless PIR motion detector
399,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor accessories for iGET SECURITY M3B and M2B alarm system - Wireless PIR motion detector for monitoring movement in the room
Added to cart
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iGET SECURITY P2 - wired PIR motion detector for iGET SECURITY M3B and M2B - Motion Sesnor
iGET SECURITY P2 - wired PIR motion detector for iGET SECURITY M3B and M2B
399,-
In stock > 10 pcs at the supplier's
Motion Sesnor , connect through Radio frequency, open system with detection motion, range: security, power supply: Power plug,
Added to cart
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EVOLVEO SecuPro wireless PIR motion sensor - Motion Sesnor
EVOLVEO SecuPro wireless PIR motion sensor
-20 % off new 399,- New 499,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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:...
Added to cart
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Meross Smart Water Leak Sensor - Sensor
Meross Smart Water Leak Sensor
Discounted -33 % 399,- 599,-
In stock > 5 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60...
Added to cart
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EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement - Motion Sesnor
EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement
-42 % off new 399,- New 689,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through WiFi 2,4 GHz and GSM, closed system with detection motion compatible with Tuya, range: security, power supply: Battery-Powered,
Added to cart
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