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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 EMOS GoSmart Carbon Monoxide Detector TCS0101W, Wi-Fi marked at 179 Kč incl. VAT. Is this what you’re looking for?
All from 373
Tellur WiFi Smart Flood Sensor, AAA, white - Water Leak Detector
Tellur WiFi Smart Flood Sensor, AAA, white
-25 % off new 579,- New 779,-
As good as new - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects water gas, battery-powered, range: 1 m, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, battery indication, standalone...
Tellur WiFi Smart Flood Sensor, AAA, white - Water Leak Detector
Tellur WiFi Smart Flood Sensor, AAA, white
-25 % off new 579,- New 779,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects water gas, battery-powered, range: 1 m, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, battery indication, standalone...
Dahua DHI-HY-HT10A-R8 - Detector
Dahua DHI-HY-HT10A-R8
589,-
In stock 2 pcs at the supplier's
Detector - heat detector, wireless, 54-65°C, 24 devices, 10 years battery life, IR remote control, 85dB, A1, ceiling mounting, white
EVOLVEO wireless PIR sensor with animal motion detection for Alarmex/Sonix - Motion Sensor
EVOLVEO wireless PIR sensor with animal motion detection for Alarmex/Sonix
from  569,-
Ordered on request
Motion Sensor - for alarm, Interior, battery powered, input voltage: 9 V, reach of 12m, connection via radio waves, independently functional unit
Elektrobock LM218A - Gas Leak Detector
Elektrobock LM218A
589,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
- detects CO (carbon monoxide), measurement range from 10 to 550 ppm, battery-powered, acoustic signals, signal volume 85 dB, display, features test button and alarm, cover...
Eve Water Guard Connected Water Leak Detector - Cable Extension - Extension Cable
Eve Water Guard Connected Water Leak Detector - Cable Extension
589,-
On the way 1 pcs
Expected 11/05/2026
Extension Cable -
Smoot Air PIR - Motion Sesnor
Smoot Air PIR
590,-
In stock 1 pcs at the supplier's
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,...
Alecto SA-102 - Smoke Detector
Alecto SA-102
597,-
Currently Unavailable
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 40 °C,...
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Smartlife Zigbee Smart Water Leak Detector - Water Leak Detector
Smartlife Zigbee Smart Water Leak Detector
599,-
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects water gas, battery-powered, range: 30 m, sound level: 70dB, compatible with Google Home, Tuya and IFTTT, battery indication, central unit required to...
AQARA Motion Sensor P1 (MS-S02) - Motion Sesnor
AQARA Motion Sensor P1 (MS-S02)
599,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Radio frequency, open system with detection motion and Light compatible with Apple Home, IFTTT and Aqara Home, range: security, application in...
Dahua DHI-HY-SA2FA - Smoke Detector
Dahua DHI-HY-SA2FA
599,-
In stock > 5 pcs at the supplier's
Smoke Detector - battery-powered , detection reach 40 m, reaction time 10 s, acoustic signals, signal volume 85 dB, battery indication, features: test button, temporary shutdown...
MOES Human Presence Sensor + Light Sensor, Zigbee - Motion Sesnor
MOES Human Presence Sensor + Light Sensor, Zigbee
599,-
Currently Unavailable
Motion Sesnor , open system with detection motion, range: security, power supply: USB,
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Meross Smart Water Leak Sensor - Sensor
Meross Smart Water Leak Sensor
599,-
In stock > 10 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 479,- 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.
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...
EMOS GoSmart Water Leak Detector P56000S, ZigBee - Water Leak Detector
EMOS GoSmart Water Leak Detector P56000S, ZigBee
Discounted -10 % 599,- 669,-
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY15 509,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky.
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, battery indication,...
Kidde Fire and Smoke Detector 10Y29 - Smoke Detector
Kidde Fire and Smoke Detector 10Y29
599,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - signal volume 85 dB, standalone unit
SwitchBot Water Leak Detector with Sensor Cable - Sensor
SwitchBot Water Leak Detector with Sensor Cable
609,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - with an extended sensor length of 1 meter, detection of water level thresholds as low as 0.5 mm, loud alarm, notifications to your mobile phone via the SwitchBot app,...
EZVIZ T1C PIR - Motion Sesnor
EZVIZ T1C PIR
619,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY25 464,- 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.
Motion Sesnor , closed system with detection motion compatible with Google Home and EZVIZ, range: security, application in English, Czech, German and Hungarian, power supply:...
iQtech Smartlife WL04 Zigbee Flood sensor, Zigbee 3.0 - Water Leak Detector
iQtech Smartlife WL04 Zigbee Flood sensor, Zigbee 3.0
619,-
Currently Unavailable
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...
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EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement - Motion Sensor
EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement
-10 % off new 619,- New 689,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sensor - for alarm, Exterior and Interior, battery powered, input voltage: 3V, reach of 80m, compatible with Tuya, connection via WiFi 2,4 GHz and GSM, battery indication,...
iGET SECURITY EP1 - wireless PIR motion sensor for iGET M5-4G alarm - Detector
iGET SECURITY EP1 - wireless PIR motion sensor for iGET M5-4G alarm
619,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Hütermann Gas leak detector G10 - Gas Leak Detector
Hütermann Gas leak detector G10
629,-
In stock 3 pcs at the supplier's
Buy with code ALZADNY5 598,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 5 % s kódem ALZADNY5. Klikněte a kód se uplatní automaticky.
Gas Leak Detector - mains power supply, acoustic signals, signal volume 85 dB, features alarm, operating temperature to 55 °C, operating humidity up to 95 %, standalone unit
BOT Smart Zigbee GS2 gas detector - Gas Leak Detector
BOT Smart Zigbee GS2 gas detector
629,-
In stock > 5 pcs at the supplier's
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 70 dB, features alarm, cover material plastic,...
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated - Smoke Detector
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated
-8 % off new 629,- New 690,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - temperature measurement to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating...
TESLA Smart Gas Sensor - Gas Leak Detector
TESLA Smart Gas Sensor
639,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY10 575,- 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.
Gas Leak Detector - mains power supply, detection reach 50 m, acoustic, visual signals, notifications via push notifications, features reset, cover material plastic, operating...
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