Feature: 1. ACCURATE ALARM: The WiFi home alarm system support two way voice communication, compatible with for Tuya hardware, support up to 99 defensive areas, and provide instant alarm for illegal intrusion 2. WITH BUTTONS: Smart home WiFi alarm system come with high decibel alarm, sound up to 115dB, optional solar outdoor sound and light alarm, built in doorbell function, emergency help function, optional doorbell button, emergency button 3. APPLICABLE SCENARIO: GSM WiFi alarm system support access to for tuya cloud, intelligent voice control, APP push, the device is widely used in families, apartments, villas, hotels or offices 4. A VARIETY OF ALARMS: Wireless WiFi alarm system has the main power supply alarm, backup battery power alarm, sensor battery low voltage alarm function, built in prevent demolition alarm function, door and window not close warning 5. WITH VOICE: WiFi home alarm system kit come with voice prompt function, support 10 commonly used national languages, very versatile and practical Specification: Item Type: WiFi Home Alarm System Input Voltage: DC5V(Micro USB standard interface power) Wireless Frequency: 433Mhz 2.4G Wireless Coding: eV1527 WIFI System: 2.4G IEEE802.11b/g/n wireless standard Alarm Battery: 1 x 3.7V lithium battery(1000mAh) Remote Control Battery: 1 x CR2025(200mAh) Main Door Magnet: 1 x CR2025(200mAh) Working Temperature: -10~55℃ Relative Humidity: <80%(non condensing) Voltage: AC100-240V Built in voice prompt function, support 10 commonly used national languages (Chinese, English, German, Russian, Spanish, Polish, Italian, French, Portuguese, Greek). Package List: 1 x Machine 1 x Infrared Sensor 1 x Main Door Sensor 1 x Sub Door Sensor 1 x Siren 2 x Remote Controller 2 x Door Card 1 x User Manual 1 x Plug 1 x USB Cable 4 x Screw 4 x Wall Plug 2 x Tape 1 x Accessory