Specification:Type: FSK 2.4GHz wireless remote sustemTransmitter Distance : 100MChannel : 16 ChannelsRelease: Half-way press, Full-way PressReceiver Interface: one is 2.5mm Socket, for shutter release,one is standard PC socket for flash Speedlite or studio StrobeBattery Type: AAA*2 (Battery not included)Receiver: Stand-by time Up to 45hours (Using AAA battery)Size: Receiver : 37 x 30 x 81.5mmSuit for Flash Speedlite with " Sleep mode" function:---Nikon---Canon---Olympus---Pentax---Samsung---Yongnuo YN-460, YN-460 II, YN-560II, YN-46 II, YN-468 II, YN-565EX, YN-568EX in manual mode--- Yongnuo YN-560 III ( it has built-in receiver ), you can use one RF-603 II transceiver to work with it.---and other flashgun which has " Wake up " functionFor this RF-603 II, we have four versions, different version has different shutter release cable, you can choose the related cable to fit for your camera.C1 version:---Canon 1100D / 1000D / 700D / 550D / 500D / 450D / 400D / 350D / 300D / 60D---Pentax K20D / K200D / K10D / K100D---Samsung GX-20 / GX-10C3 Version:---Canon 1D / 1DS, EOS 5D Mark II / 5D / 50D / 40D / 30D / 20D / 10DN1 Version:--- D800 / D700 / D300 / D2X / D2H / D200 / D1H / D1X / D3X / D3--- N90s / F5 / F6 / F100---Fuji Film: S5 Pro / S3 Pro---Kodak: DSC-14NN3 Version:--- Nikon D600 D7200 D7100 D7000 D5400 D5300 D5200 D5100 D5000 D3300 D3200 D3100 D3000 D800 D90 D80 D60Packaged Included: ( No batteries included)2 x RF-603II C1 Transceivers1 x 2.5mm port Shutter release cable1 x Manual in English and Chinese