Product Name: Tuya Smart Life WiFi Sos Burglar Alarm System with WiFi Tuya APP Controlling Intelligent WiFi One-Key Networking, Smart Life Security Intruder Siren Alarm Model NO.: YL-007WS-03 Alarm Volume (within 1m): ?80dB Transmission Mode: Wireless Working Principle: Electro-Optical Type Application: Indoor Certification: CE, FCC, RoHS, CCC Working Mode: Passive Signal Transmission: Wireless Alarm Type: Anti-Theft Alarm Trademark: wolf guard Specification: CE FCC RoHS Origin: Shenzhen HS Code: 85311000 Product Description Tuya Smart life APP alarm system with WIFI TUYA app controlling Intelligent WIFI one-key networking Main Functions Alarm volume adjustable in 4levels;Up to 70 wireless zones, support independent custom zone attributes;24 hours defense zone, normal defense zone, home zone,3 types of defense zones optional;Built-in RF wireless transmission module, expand external wireless siren;Smart doorbell, APP push reminder;APP alarm push, precise positioning alarm zone;Record door sensor switch log, history record of APP management;Built-in backup battery to prevent continuous power failure;The alarm system arm and disarm prompt tone can be turned on /off, so you don't have to worry about going home at night too lately to disturb your families;Tuya WiFi solution, APP management, can link with other smart home products in Tuya solution.Standard Package:1 main panel1 PIR detector2 door sensor 1 doorbell1 remote controller1 manual