Aputure Wireless Timer remote Ⅱcan be used as a wireless timer remote, wired timer remote, wireless shutter remote and wired shutter remote. Other features include: clock display, button lock function and a replaceable shutter cable, making for a wonderful photography experience. It is a nice choice for you. Features* Timer Function* 4 in 1 Functions* FSK 2.4G wireless frequency* Replaceable shutter cable* Power-saving LCD screen* Clock Display* Button Lock Function* Excellent design & appearanceSpecifications* Timer delay: 0s to 99hrs 59min 59s in 1s increments* Exposure time: 0s to 99hrs 59min 59s in 1s increments* Interval: 0s to 99hrs 59min 59s in 1s increments* Power source: Two AAA-type batteries* Batterylife: Approximately two months of continuous shooting with a delay of 5min, an exposure time of 4 min 56 s, and an interval of 5min.* Weight: 90g (without batteries)* Size: 9.98 cm (lenth) x 2.89cm (Width) x 1.8 cm (height)(without the wire)* Display: 1.2" LCD Screen* Colour: BlackCompatibility Canon EOS 1D Mark IV, 1D(s) Mark III, 1D Mark III, 5D Mark III, 5D Mark II, 1D(s) Mark II,1D Mark II(N), 1D Mark II,50D, 40D, 30D, 20D, 10D, 7D, 5D,1DX,1D C,1Ds, 1D, 1V, EOS 3,D2000Package Includes1 x WTR3C Timer Remote1 x Receiver1 x Cable