Bakeey A1 433Mhz & GSM & 2.4G WIFI Wireless Smart Home Security Alarm System Door & Window Sensor Human Body Detection Remote Controller

Features: - 850/900/1800/1900Mhz GSM Frequency for global use - The host supports setting 24 wireless alarm zones. - Each zone has 5 defens e types to choose from: Normal / Stay / Smart /Emergency / Close Zone - Can store three groups of time arm and disarm function, each group can be customized by week, avoid manual frequent arm and disarm, to realize smart automatic control - Can set 4 groups of alarm phone numbers and 3 groups of SMS phone numbers - Voice prompt for all the operations - Low battery alert of the accessories - Build-in rechargeable battery - AC off SMS remind - Built-in sir en. - Support wireless sir en (433Mhz frequency) - Wireless learning code, fast and easy to add new accessories - Can revise zone name - Door Sensor two-way function Specifications: Brand Bakeey Model A1 Weight 444g Dimension 117*117*15mm Color White Technology Parameters Sir en 85dB Input Voltage DC 9V-12V Static Current