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Best sellers, best detectors

We also think that you deserve the best. That’s why on this page, we ranked detectors from the most sold to the least sold. You have 365 products to choose from. Customers have the most interest in RETLUX RSH 310 Smart Water Leak Sensor, which you can buy for 399 Kč incl. VAT. If you’re intrested in detectors in terms of the highest reviews, then look at the detectors reviews and tests category.
All detectors
All from 365
Eve Water Guard - Water Leak Detector - compatible with Thread - Water Leak Detector
Eve Water Guard - Water Leak Detector - compatible with Thread
2,939,-
In stock 1 pcs
Water Leak Detector - detects water gas, mains power, sound level: 100dB, compatible with Apple Home, Apple Siri shortcuts and Samsung SmartThings, connect via Bluetooth,...
Added to cart
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Elektrobock CN-Y01 - Motion Sesnor
Elektrobock CN-Y01
299,-
In stock 1 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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EMOS GoSmart Water Leak Detector P56000S, ZigBee - Water Leak Detector
EMOS GoSmart Water Leak Detector P56000S, ZigBee
669,-
In stock > 5 pcs at the supplier's
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, battery indication,...
Added to cart
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BOT Smart gas detector WiFi GS4 - Gas Leak Detector
BOT Smart gas detector WiFi GS4
656,-
In stock > 5 pcs at the supplier's
Buy at the price for both existing and new AlzaPlus+ members 558,-
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 90 dB, display, features alarm, cover material...
Added to cart
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Netatmo Smart Carbon Monoxide Alarm - Gas Leak Detector
Netatmo Smart Carbon Monoxide Alarm
2,599,-
In stock > 5 pcs at the supplier's
Gas Leak Detector - battery-powered, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Apple Home, standalone...
Added to cart
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Netatmo Smart Smoke Alarm - Smoke Detector
Netatmo Smart Smoke Alarm
2,599,-
On the way > 5 pcs
Expected 21/08/2026
Smoke Detector - acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, holder and mounting kit...
Added to cart
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RETLUX RDT 301 - Gas Leak Detector
RETLUX RDT 301
649,-
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 100 to 300 ppm, gas detection sensitivity 50 ppm, battery-powered, acoustic signals, signal volume 85 dB,...
Added to cart
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Elektrobock CN16F - Motion Sesnor
Elektrobock CN16F
279,-
In stock 4 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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EMOS GoSmart Air Quality Monitor E30300 with Wifi - Air Quality Meter
EMOS GoSmart Air Quality Monitor E30300 with Wifi
2,490,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, temperature measurement from 0 to 50 °C with accuracy 0.1 °C,...
Added to cart
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Elektrobock CN-V04 - Motion Sesnor
Elektrobock CN-V04
269,-
In stock > 10 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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EMOS PIR sensor (motion sensor) IP20, 1200 W, 360°, mounted - Motion Sesnor
EMOS PIR sensor (motion sensor) IP20, 1200 W, 360°, mounted
259,-
In stock > 10 pcs at the supplier's
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Added to cart
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Elektrobock CN12 - Motion Sesnor
Elektrobock CN12
239,-
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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Ajax MotionProtect White - Motion Sesnor
Ajax MotionProtect White
2,113,-
In stock > 5 pcs at the supplier's
2 colors
Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English and Czech, power supply: Battery-Powered,
Added to cart
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Airthings Wave mini - air quality, humidity, temperature and air chemicals sensor - Air Quality Meter
Airthings Wave mini - air quality, humidity, temperature and air chemicals sensor
2,052,-
In stock > 5 pcs at the supplier's
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %,...
Added to cart
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BOT Smart WiFi GS3 - Gas Leak Detector
BOT Smart WiFi GS3
512,-
In stock > 10 pcs at the supplier's
Buy at the price for both existing and new AlzaPlus+ members 435,-
Gas Leak Detector - mains power supply, notifications via push notifications, signal volume 70 dB, cover material plastic, operating temperature from -10 to 50 °C, ingress...
Added to cart
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Secutek Combined CO and flammable and explosive gas detector - VIP-910T - Gas Leak Detector
Secutek Combined CO and flammable and explosive gas detector - VIP-910T
Discounted -46 % 495,- 929,-
In stock > 10 pcs at the supplier's
Gas Leak Detector - detects CO (carbon monoxide), natural gas, propane-butane, mains power supply, acoustic signals, signal volume 85 dB, operating temperature from 0 to 50 °C,...
Added to cart
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EZVIZ T3C smart button - Smart Wireless Switch
EZVIZ T3C smart button
469,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smart Wireless Switch - compatible with EZVIZ, control via app on Android and iOS,connect via , application in Czech and English
Added to cart
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Somfy Smoke Detector One+ - Smoke Detector
Somfy Smoke Detector One+
1,799,-
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , detection reach 200 m, notifications via SMS, email, push notifications, signal volume 85 dB, compatible with TaHoma, requires a central hub,...
Added to cart
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Smoot Air Leak Pro - Water Leak Detector
Smoot Air Leak Pro
449,-
In stock > 10 pcs at the supplier's
Water Leak Detector - detects water gas, battery-powered, compatible with Apple Siri shortcuts and Tuya, connect via WiFi 2,4 GHz, battery indication, standalone functional unit,,...
Added to cart
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Shelly Gas, CNG Gas Detector, Alarm: Flashing LED & Acoustic Signal, WiFi - Detector
Shelly Gas, CNG Gas Detector, Alarm: Flashing LED & Acoustic Signal, WiFi
1,529,-
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Detector - Shelly GAS is a compact and highly sensitive CNG natural gas detector, bringing additional security for your home and family. Alarm: flashing LED & acoustic signal....
Added to cart
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Ubiquiti UniFi Protect Sense - Sensor
Ubiquiti UniFi Protect Sense
1,459,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - Multisensor, Bluetooth 5.0 BLE, Motion, opening, Temperature, humidity, water
Added to cart
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Ajax LeaksProtect Black - Water Leak Detector
Ajax LeaksProtect Black
1,457,-
In stock > 5 pcs at the supplier's
2 colors
Water Leak Detector - detects water gas, battery-powered, range: 1300 m, reaction time: 0,15s, compatible with Ajax, connection via radio waves, protection against sabotage,...
Added to cart
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Eufy Security Water and Freeze Sensor - Water Leak Detector
Eufy Security Water and Freeze Sensor
1,299,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects water gas, battery-powered, range: 200 m, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, central unit required to...
Added to cart
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EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren - Siren
EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren
1,289,-
In stock 3 pcs
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Power plug, in Czech and English
Added to cart
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