The universal wireless remote shutter has an extended range system designed for professional and advanced amateur SLR camera users. The set includes the transmitter as well as a range of six different camera connectors to suit any SLR camera. This remote system helps capture subjects that are difficult to approach or to eliminate vibration issues for close-ups and longer exposures. It has a 150-foot range. Compatible models include: Canon Xsi/450D/XS/1000D/XT/350D/Xti/450D/400D/300D, Pentax K20D/K200D/K10D/K100D, Samsung GX-10/GX-20, Canon 1D/1DS/EOS5D/10D/20D/30D/40D/50D, Sony A100/A200/A300/A350/A700/A900, Minolta A5D/A7D, Nikon D3X/D3/D700/D300/D2X/D2H/D200/D1H/D1X/D80/D70S/D90/D5000