Detail: Gps Gsm Gprs Vehicle Tracker with Door Alarm, GSM/ GPS LED Indicator, ACC Alarm, Quiver Alarm The primary advantages to an AVL system are: - - - - | Locate and send nearest....
we founded in 1996, Shenzhen Zhongtian Electronic Co., Ltd. is engaged in the GPS tracker business. Recognized as one of the industry' s innovators and high-tech entities, 90 percent of our....
Detail: Portable Mini SMS Over-speed Alarm Movement Alarm Google Map Elderly Personal GPS Tracker Portable GPS Trackers, Mini GPS Trackers, [ elderly gps] # Supports both SMS and GPRS # ....