Cheap detectors

Motion Sesnor , connect through Bluetooth and Radio frequency, open system with detection motion, Lights and Human presence compatible with Apple Home, Google Home, Samsung SmartThings, Aqara Home and Home Assistant, range: lighting, security and home control, application in English, Czech and Slovak, power supply: Power plug and USB,

Air Quality Meter - detects gas, temperature, humidity, measurement range from 400 to 9999 ppm, temperature measurement from -20 to 50 °C with accuracy 0.5 °C, humidity measurement with accuracy 5 %, display, features: hours, cover material plastic, input voltage 5 V, standalone unit, app language options: Czech and English, compatible with Android and iOS

Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit

Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Manufacturer app, range: security, application in English and Czech, power supply: Battery-Powered,

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

Water Leak Detector - detects temperature and Water gas, battery-powered, connect via Bluetooth, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS

Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,

Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: lighting, heating and cooling and security, application in Czech, power supply: Battery-Powered,

Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth, closed system with detection motion and Lights compatible with Apple Home, Google Home, IFTTT and Aqara Home, range: lighting and security, application in English, Czech and Slovak, power supply: USB,

Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English and Czech, power supply: Battery-Powered,

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, app language: Czech

Gas Leak Detector - measurement range from 0 to 10000 ppm, battery power, acoustic, optical signalling, battery status indication and display, reset and alarm functions, operating temperature from -20 to 50 °C, operating humidity up to 95%, degree of protection IP65, independently functional unit

Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, temperature measurement from -9.9 to 50 °C with accuracy 1 °C, humidity measurement from 1 to 99 % with accuracy 5 %, mains + battery-powered, visual signals, display, features: hours and alarm clock, cover material plastic, standalone unit

Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -10 to 50 °C with accuracy 0.8 °C, humidity measurement with accuracy 5 %, mains + battery-powered, acoustic, visual signals, battery indication and display, cover material plastic, power cable included, compatible with Tuya and Smartlife, standalone unit, compatible with Android and iOS

Sensor - interface for smart meters, closed system, operation via central unit, OS Android + iOS, mobile notifications