Wireless remote switch MK-RC6 N3 Camera wireless remote switch control shutter release MK-RC6 will use the new micro electron anti-jamming technology and the shutter timing control system, realizes many kinds of photography functions for yours camera. Types of control Frequency 433MHz, four digit code available Transmitter Size (LxWxH) 80x25x18mm Receiver Size (LxWxH) 50x40x30mm (included hot shoe) Battery Transmitter 23A, Receiver Cr2 Battery Life Approximately to use 1000 time within support area. Transmission Ranges Approximately 100 meters (under spacious non disturbance environment) Whole Set Net Weight 80g (included batteries) PU Lines Approximately 50cm Compatible with Nikon D90/ D5000/D3100/D5100/D7000