【100dB Siren Alarm】18 Alarm Sound, optional ringtones colorful life, choose your favorite tone according to personal preference Intimate design, sound at volumes up to 100dB, allows you to hear the alert from anywhere in your home. This siren alarm even has a feature to deter suspicious activities. 【Remote Monitoring】Tap into your mobile device to monitor and control your siren and alarms directly from your smartphone or tablet, from anywhere, at any time. The siren is a perfect panic alarm in case of an emergency. 【Siren With Temperature And Humidity Sensor】APP sets the temperature and humidity alarm range in advance, detects changes in ambient temperature and humidity, exceeds the safety interval, and automatically alarms even in the absence of a network. 【2.4GHz WiFi One-Key Connect】Easy setup and do not need home gateway, you can easily achieve the intelligent control of home appliances, simple operation, easy to use. 2. 4G Hz protocol is more stable, faster and more convenient. 【Advanced Power-off Memory Function】In the sudden power-off state the siren will save the parameters that were set, in the app before, when it is powered on, siren will resume normal working tatus in time., Manufacturer: Dioche