Product Name: Smart Home Zigbee Alarm Siren Sound and Flash Alarm Certification: CE, ISO, FCC, CCC Usage: Door, Window, Auto, Hall Application: Home, Communication Electronic Products, Industry, Special Equipment Type: Anti-Theft Alarm System: Microwave System Signal Transmission: Radio Waves Trademark: wolf guard Specification: CE, FCC, ROHS, OEM/ODM Services for 18 years Origin: China HS Code: 85311000 Product Description Smart home zigbee alarm siren sound and flash alarmMain parameters:1. Low power consumption +4 D size battery, the battery can be used for more than two years;2. Tamper alarm + low power alert;3, Remember the latest zone number that alarms;4. arming / disarming voice prompts, optional: sound or silent;5. Battery or mains power supply options;Our factory :