1.DC12V 1A power output for camera 2.Digital Multimeter 3.Cable Testing 4.RS232,RS422, ... 9600,19200bpsVideo Signal GenerationColor bar generationOutput channel colorbar video signal for testing monitor or video cableUTP CABLE TEST UTP cable ... from controlling devicePOWERPower AdapterDC5V, 2ABatteryBuilt-in 3.7V Lithium polymer battery ,3000mAhRechargeableAfter charging 3-4 hour, working time lasts 12 ...