Pixel Pro Digital & Film Camera 100M Wireless Shutter Remote Control Release for Nikon D700, D300, D200, D1 series, D2 series, D3 series, F5, F6, F100, F90, F90X, Fujifilm S3, S5 Pro, Kodak DCS-14n
RW-221 is high performance wireless shutter remote control.It operates as long distance with single, 1sec continuous continuous, bulb, and 4 sec delay shoot. It can control multi receivers and cameras. RW-221 is using FSK system and world wide free 2.4GHz frequency.   Transmitter Standby time: over 1 years (using 2 AAA batteries).    The receiver standby time: 400 hours (using 2 AAA batteries).