Description: 1, 2 channels of logic and high voltage low voltage logic two-way transformation 2, 2 channels of high voltage logic into logic low voltage unidirectional conversion 3, small module, 1.5 cm X 1.5 cm 4, module compatible with bread plate, can be used directly put on the bread board
Features: Real time location tracking, track playback. Support SMS and GPRS platform tracking. Built-in vibration senor, the realization of vehicle vibration alarm. Micro letter management platform, free control. Mobile client support android, apple system remote control.