PEBBLE Wireless Shutter Remote consists of a transmitter and receiver. The transmitter can control the receiver wirelessly to perform autofocus, single shot, delayed release and continuous release. The receiver can also be used as a wired shutter remote to achieve autofocus, single shot, and continuous release.<br>Half press the shutter button perform autofocus. Full press the shutter button to take a photo. Pressing the delay button will take a photo in a 3 seconds delay. When camera is set to continuous shooting mode, pressing and holding the shutter button will take photos continuously. <br> <br><b>Compatible <b>Specification</b><br>Type: 2.4GHz wireless remote system<br> Transmission power: 4dBm <br> Battery: Transmitter: 1piece CR2032 button battery, Receiver: 2 * AAA battery <br> Size: TX: L 66.8 * W 35.8 * H 13.2 mm , RX: L 89.6 * W 41.0 * H 32.6 mm <br> Weight: 12.8 g (without battery ) 36.5g (without battery ) <br> Transmitter distance: 100M<br>