For your safety, if you need more complete alarm system.Please click on photo.You will get the   unexpected surprise.   WIFI GSM SMS Home Burglar Security Alarm System PIR Motion detector APP Remote Control With WIFI Free Push Message   NOTE:This alarm panel support English,Russian,Spanish,German,Polish,France,Italian,Chinese Free Switchable.but only has english manual book.   WIFI / GSM / intranet alarm system: APP push,SMS,Voice monitoring,intranet center etc. Support different alarm channels.Enjoy the intelligent life.   New smart host: HD 2.4-inch TFT color display screen,full voice prompts. buttons sensitive operation,more simple.   English/Russian/Spanish/German/Polish/Chinese switchable: Support multi-language menu display, voice operation prompts and alarm SMS settings. GSM network automatic proofreading,to ensure accurate clock,support time zone settings, Convenient for multi-area application.   Remotely monitoring alarm: When accident invasion,the phone remotely grasp the situation,high decibel live alarm through the host timely dial,send SMS notification,APP message push.   Configure RFID cards: Configure 2 RFID cards,Support 100 learning/storage location for remote controller, RFID cards and wireless detector.   Multi-zone location settings: Such as gate,hall,SOS,bedroom,Window,balcony,perimeter,smoke,gas,   Carbon monoxide,water leaking etc zone name settings.   5 types defense zones setting: Ordinary zone,stay arm,24-hour emergency zone,closed zone,   doorbell zone,Meet a variety of needs.   Timely notification: When External power failure,built-in battery low power,APP push and SMS notification. When External power success,APP push. When Tamper alarm,SMS notification.   5 groups preset alarm phone numbers: SMS on/off and dial on/off can be set respectively.   Timing arm and disarm: Set the arm and disarm in advance,so that life is safe every day.   Delay function: User can set arm delay and alarm delay according to own needs.   Add camera: Work with camera,when Accidental invasion, You can remotely monitor the situation immediately, speak and scare away thieves.   Specification:   Input Voltage: DC5V/1A(micro USB jack)   Standby Current: <;80uA   Working Current: <;120mA   Siren output: <;500mA   Wireless Frequency: 433MHZ EV1527   GSM Frequency: 850/900/1800/1900MHZ   Back-up Battery: 3.7V/500mAh Lithium battery   Working temperature: 0~55    APP downloadplease search"tuya/smart life" to download app