540TVL户外Vandalproof50米去顶摄像机

50M Outdoor Vandalproof IR Dome Camera main specifications * 1/3" SONY SUPER HAD CCD, 540 TVL to keep clear picture * 4-9mmexternal focusing varifocal lens * 42pcs long life 850nm IR LED 50-60M Distance * 2 years warranty * metal housing waterproof Image sensorCCD1/4 SHARP1/3 SONY1/3 SONY1/3 SONY1/3 SONYSignal SystemPAL / NTSCPixels (H×V)P:500×582 N:510×492P:512H×582V N:512H×492VP:795×596 N:811×508Horizontal Resolution420TVL420TVL480TVL520TVL540TVLLevel Synchronous FrequencyP:15.625KHZ / N:15.734KHZClock Frequency MHZP:19.3125 / N:19.0699Scanning System2:1 interlaceMinimum Illumination0LUX (IR LED ON)Synchronous SystemInternal,Negative syncS/N Ratio48 dBAuto Electronic ShutterP:1/50-1/100,000sec;N:1/60-1/100,000Gama Characteristic0.45Video Output1 Vpp,75 OhmsAuto Gain ControlAutoIR Range40-50MVoltage12VDC(+/-10%)Current120mAOperation Temperature-10 45°CRemark:1.Varifocal lens 4-9mm2.SONY / SHARP 1/3 or 1/4CCD optional3.Resolution 380/420/480/520/540/600TVL optional4.We can print your beautiful logo on the camera case5.We can design and print packing box according to your inquiry6.Stick your model No.& series No. on the camera * 1/3" SONY SUPER HAD CCD, 540 TVL to keep clear picture