The specifcation for Wireless dental camera is: Power: DC 5V ±0.5V 1.5A Optic: Sony 1/4 CCD Effective pixel: PAL 752(H) x 582(V) NTSC 768(H) x 494(V) Horizontal resolution: 470 lines Lighting: 6 LEDs Adjustment: Auto-focus Length of the handpiece: 205 mm Weight(handpiece): 36g Wireless connection