SMDV RFN-4 Wireless Remote Shutter Release Cable for Nikon D90, D3100, D3200, D5000, D5100, D7000, Fully Compatible with Nikon MC-DC2 2.4GHz Frequency with 16 Selectable Channels Slim Design and Ergonomic Wired/Wireless Remote Control Exchangeable Camera Release Cable Circuit Designed to Operate in Extreme Temperatures (-20 to +50 C / -4 to +122 F) 24 Month Warranty