1、Home Alarm System: Supports 2 way intercom function, compatible with for Tuya hardware, supports up to 99 defense zones, accurate and immediate alarm for illegal intrusion. 2、High Decibel Alert: Comes with a high decibel alarm, with a sound of up to 115dB. Optional solar outdoor sound and light alarm, doorbell function, emergency call function. 3、Smart Control: This WiFi home alarm system supports access to for Tuya Cloud, voice control, and APP push notifications, adding convenience. 4、Multi Functions: Equipped with main power outage alarm, backup battery shortage alarm, sensor battery low voltage alarm, built in anti disassembly alarm, and warning of door and window not closed. 5、Versatile Usage: This home security alarm system is widely used in homes, apartments, villas, hotels, or offices, etc. Supports 10 common languages. Item Type: WiFi Home Alarm System Material: ABS Wireless Frequency: 433MHz 2.4GHz 125KHz Wireless Encoding: eV1527 WiFi System: 2.4G IEEE802.11b g n Wireless Standard Alarm Battery: 3.7V Lithium Battery x 1 (1000mAh) (Built in) Remote Control Battery: CR2025 x 1 (200mAh) (Built in) Main Door Sensor: CR2025 x 1 (200mAh) (Built in) Operating Temperature: -10~55℃ Relative Humidity: <80% (Non Condensing) Features: Built in Voice Prompt Function, Supports 10 Common National Languages (Chinese, English, German, Russian, Spanish, Polish, Italian, French, Portuguese, Greek) 1 x WiFi Home Alarm 1 x Infrared Sensor 1 x Main Door Sensor 1 x Secondary Door Sensor 1 x Alarm Siren 2 x Remote Control 2 x Door Card Reader 1 x Instruction Manual 1 x Plug 1 x USB Cable 4 x Screw 4 x Anchor 2 x Adhesive Tape 1 x Wire 2 x Accessories