Compatible Camera Models: Canon: EOS-1D X Mark II, 1D X,1Ds Mark III, 1Ds Mark II, 1Ds, 1D Mark IV, 1D Mark III, 1D Mark II N, 1D Mark II , 1D, EOS D2000, 5D Mark III, 5D Mark IV, 5DS, 5DS R , 5D Mark II, 5D, 6D, 6D Mark II, 7D Mark II, 7D, 50D, 40D, 30D, 20D, 10D, D60, D30, EOS-1V ,EOS-3 Specification Model: FSK 2.4GHz wireless remote control system Transmission distance: 100m Conmmunication channel: 16 Transmitter launch power: 0dB Receiver sensitivity: -99dB Connecting cable: 30cm straight cable Transmitter stand-by time: over 1000hur (with 2pcs AAA alkaline battery) Receiver stand-by time: Over 400hur (with 2pcs AAA alkaline battery) Transmitter dimension (L*W*H): 97mm*33mm*15mm Receiver dimension (L*W*H): 66mm*37.5mm*28.5mm Transmitter Weight: 21.8g Receiver Weight: 32.2g Function 1. Oppilas is the wireless shuter remote control with single shooting, 1s continuous shooting, continuous shooting, Bulb shooting, and delaying shooting for camera. 2. Supports different shutter connecting cables for different brands and models of cameras respectively. 3. Adopts advanced drawing surface, fashionable looks. 4. Using FSK modulation to improve the reliability and stability of the products and 2.4GHz global free frequency. 5. Adopts AAA battery, easy and practical to purchase; the transmitter only 2mA in the working status while ignored during stand-by time, the receiver only 2mA in the working status, 2pcs AAA alkaline battery can working up to 400hours, it is 5 times longer than other similar products. Included items: Oppilas transmitter: 1set Oppilas receiver: 1set Shutter release cable: 1pcs Instruction manual: 1pcs Please note: Package does not contain batteries.