Display: 3.5"TFT Color LCD Image Resolution: 640X480 Video In: Video In × 1 (BNC connector) Export: DC power out × 1 (Support CCD camera of power source/ Max electric currency 400mA) System Format: NTSC / PAL Battery Specification: Built-in rechargeable Lithium battery : 3.7V 2000mA/h Power Specification: External power :DC 5V 1.0A Adapter Dimension/ Weight: 180mm (L) x92mm (W) x 30mm(H) / 250g