6 languages can be switched English, German, Italian, Russian, Spanish, French Work With Alexa Arm and disarm KERUI Alarm with your voice and get mobile alerts about the Door/Window Open or smoke alarms Accurate Alerts If thieves invade, W184 WIFI alarm system will issue a 110dB alert ,warn neighbors and deters potential intruders Built-in Siren and With 110db wired siren Whole-Home Security at Your Fingertips Protect your property from the inside-out, and get mobile alerts when doors or windows open and when motion is detected at home. Set up your entire system without the need for tools or professional installation, and expand your Alarm to fit any home or apartment 24/7 Days Of Professional Monitoring If it loses power, it has backup battery to support 8 hours working High-end alarm with stable and reliable performance 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 No emergency information missing Auto-dialer function will call up to 6 designated phone numbers in case of a security breach Customize KERUI 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 Easy to communicate Host can call other phones directly as a common phone Kindly Remind: If you want to assemble your own alarm kit, please click on the picture below to select the models you want to purchase together. KIT 1: 1* W184 4G/wifi alarm panel1* P831 motion sensor1* D025 door sensor2* RC531 remote control1* wired siren1* manual KIT 2: 1* W184 4G/wifi alarm panel1* P831 motion sensor1* D025 door sensor2* RC531 remote control1* wired siren1* S20 smoke detector1* manual KIT 3: 1* W184 4G/wifi alarm panel1* P831 motion sensor1* D025 door sensor2* RC531 remote control1* wired siren1* K259 tuya indoor camera1* 64GB SD card1* manual KIT 4: 1* W184 4G/wifi alarm panel1* P831 motion sensor1* D025 door sensor2* RC531 remote control1* wired siren1* K268 tuya outdoor camera1* 64GB SD card1* manual KIT 5: 1* W184 4G/wifi alarm panel1* P831 motion sensor1* D025 door sensor2* RC531 remote control1* wired siren1* K259 tuya indoor camera1* K268 tuya outdoor camera2* 64GB SD card1* manual KIT 6: 1* W184 4G/wifi alarm panel2* P831 motion sensor4* D025 door sensor3* RC531 remote control1* wired siren1* S20 smoke detector1* manual