Smart Siren Alarm Sensor USB — High Sound & Light Alert for Home Security, Temp & Humidity, 2.4Ghz, 2 CR123A

Compact smart alarm with siren and light designed for home security. It monitors room temperature and humidity and sends readings to your mobile APP for easy viewing. The unit supports 2.4Ghz wireless connectivity and can be powered by 2 CR123A button batteries (not included); USB is also supported for flexible installation. Integrate the sensor with your router, gateway, phone and other electronic devices to form part of a larger security or automation setup. Built-in memory preserves the unit’s previous state and automatically restores it when power is reapplied. This wireless automation sensor is suitable for homes, offices, hotels, bars and similar locations, providing a loud audible alert when triggered.