Pixel 100 Meter 2.4GHz Wireless Remote Shutter Release for Canon EOS 7D 5D, 5D Mark II, 1D Mark III, 1D Mark IV, 1Ds, IDs Mark II, IDs Mark III, IDs Mark IV, 6D, 50D, 40D, 30D, 20D, 10D, Replaces Canon TC-80N3 This is high performance wireless shutter remote control, it operates up to 100 Meters with single It is using FSK system and world wide free 2.4GHz frequency, improves the reliability and stability of the product. 16 Channels for selection. Shutter connect cable can be changed to fit for different camera, It can control multi receivers and cameras at the same time. Extremely low battery consumption. Transmitter Standby time: over 1 years (using 2 AAA batteries) Package includes transmitter, receiver, AAA battery x 2, Shutter release cable, and English Instruction manual. The surface is using high-end stain finish, it's more artistic. The receiver standby time: 400 hours (using 2 AAA batteries). 1sec continuous continuous, bulb, and 4 sec delay shoot.