Boyo VTM3601 3.5-Inch Rear View Monitor 2 Inputs Video System: PAL/NTSC, Display Pixel:320XRGBX240 Operating Temperature:-4F to +158F; External Dimension:3.7(W)X3.2(H)x0.7(T) Video:2 Video inputs, Auto-Reverse Switch, Distance Grid Line on/off Switch