Supported by general universal GSM network, the V900 GSM Remote Camera V900-B1 transmits and receives data via SMS / MMS (Short Message Service / Mutilmedia Message services) and transmits image data via GPRS. V900 GSM Remote Camera V900-B1 supports motion detection; it can detect any body movement within monitoring area and make alarm via sending MMS (Multimedia Message Service) to pre-set mobile phone number or pre-set E-mail. GSM Remote Camera allows connecting up to 15 sensors to monitor several areas at the same time. The backup rechargable lithium battery ensures constantly operation without external power power off.