... 380TVL View Angle: 55 IR LED: 7 Wireless Real Time Receiver wireless receiver / real time receiverProduct description >Infra-red LEDs for night ... for outdoor usage,Alloyed shell> 4-channel real-time wireless receiver,Alloyed shell, Antenna can be changed by yourself> Built- ... Power Supply:DC 12V /1000MA 10.Dimension:¢27mm*34mm*56mm Receiver Transmission frequency: ISM 2,400 MHz~2,483 MHz 4CH Receiving ...