... .264 format; (2)Wireless transmission: 3G, GPRS, WiFi (3)bulit 3g,gps MOBILE DVR 3G BUS DVR 3G Vehicle DVR Car DVR Product Specification ... , G sensor, Gyro sensor optional. . Built-in wireless module like 3G (EVDO, HSPA, HSDPA, TD-SCDMA^), GPRS, WiFi^optional. . Adopt special ... , manual mode.. 8-36V wide voltage supply design, applied to a variety of Vehicle types; 12V/1.5A power output. . Low ...