Features: This product uses USIM card, support WCDMA 3G networks. built-in cameras and infrared lamp, support CMOS all-weather real-time video monitoring wireless. support mobile phone short messages and private security operation control support SMS,Video call ,took the video call to call police. can also support up to 15 wireless alarm sensor support to local police video-tape process. can default 10 telephone number to receive alarm Equipped with wireless remote control protection , removal or emergency alarm 30 million pixels CMOS cameras all wireless systems, installation is very simple Built-in lithium battery power, it can also be normal used when it's power off dailing Video call to watch the monitored area, at any time, any place can be used to monitor for old man, child care, family, school, shops, cars, ships and mobile train . Technical parameters: power adapter: input/output run at 100V ~ 240V isolator DC 5.5 V / 2A working temperature: - 10 ° ~ + 45 degrees Celsius storage temperature: - 20 ° ~ + 60 ° c relative humidity: 10-90%, without setting working band: HSDPA/UMTS 850/1900/2100 MHz EDGE/GPRS/GSM 850/900/1800/1900 MHz We should receive a wireless sensor wireless sensor accepted way - 315 / MHz wireless sensor baud rate of 500-2500bps wireless sensor allowed number 15 wireless remote distance 50m camera resolution: 30 million pixels video format: 3gp format camera angles: 60 degrees (level), 60 degrees (vertical) Aiming at the best shooting distance than 6 meters (positive), built-in 800mAh lithium ion batteries battery standby time: 24 hours (infrared lamp)