... +8V~+36V input, superior stability,and power for camera. *Assembly varies 3G standard(EVDO,TD-SCDMA,WCDMA),and assembly GPS speed test;*Recording auto ... recurrence cover,preset turn on/off, support delay switch of turn on/off;*Patent and ... or 24V; *System can afford monitoring 600cars, GPS info and alarming info;*Car info include Plate No/plate color/car ...