More Recommendations: KERUI W202 WIFI GSM Alarm System Tuya Smart Home Security Alarm KERUI Alarm puts whole-home security at your fingertips Get alerts on your smart phone when doors or windows open or motion is detected 8 Languages Adjustable Chinese, English, German, Italian, Russian, Spanish, French and PortugueseWe will send the corresponding language according to your country Remote Control, Anytime, from Anywhere With a free IOS/Android smartphone app, it can be easily controlled by arming, disarming, and home modes with also a simple remote control & RFID Card Accurate Alerts If thieves invade, W20 alarm system will issue80dB alert ,warn neighbors and deters potential intrudersBuilt-in Siren and With 80db wired siren More Convenient RFID Card to Disalarm High-end Alarm with Stable and Reliable Performance 2.4-inch TFT color screen and touch keyboard with built-in powerful CPU master and excellent operation experience Reduce false Alarms 24/7 Days Of Professional Monitoring If it loses power, it has backup battery to support 8 hours working Easily Setup KERUI Alarm in Minutes Without tools or professional installation Easy to Communicate Host can call other phones directly as a common phone No Emergency Information Missing Auto-dialer function will call up to 6 designated phone numbers in case of a security breach Customize KERUI Alarm for Your Needs Compatible with wireless PIR sensor, door sensor, smoke detector, gas detector, panic button etc. It has been widely used in home, factory, school, shop, villa and residential area to provide protection for valuable assets