IR DISTANCE: 50M IR LED QUANTITY: 20PCS IMAGE SENSOR: 1/3" SHARP CCD OR 1/3" SONY CCD SIGNAl syatem: PAL / NTSC HORIZONTAL RESOLUTION: 480TVL /420TVL MINI ILLUMINATION: 0 LUX(LESS THAN 5 LUX, IR-LED ON) S/N RATIO : > 48DB VIDEO OUTPUT: 1.0V P-P 75 OHM BNC OPERATION TEMPERATURE: -10--55 USABLE ENVIRONMENT: INDOOR/OUTDOOR, DAY AND NIGHT LENS(OPTIONAL): 16MM NET WEIGHT: 2.0 KG