Wire or Wireless: wire. Size Name: 95*62*27mm. Output Frequency: 12V-24V. Support system:: OBD2 or GPS system. Cable Length:: 1.8M. OBD2 and GPS Alarm For Car: Over-speed,Fatigue driving, Brightness(automatic photosensitive mode and manual adjustment). OBD2 Version Support system: OBD2 system cars. GPS Version Support system: All cars. Material: Plastic, electronic componets.