For select Sony cameras Replaces Sony RMT-P1BT remote commander Operating distance: approx. 10m / 32.8' in any direction Multi-Function design for shooting still image, recording video, adjusting camera focus, zooming the camera and activating the camera's C1 or AF-ON function Portable wireless remote control For select Sony cameras Replaces Sony RMT-P1BT remote commander Operating distance: approx. 10m / 32.8' in any direction Multi-Function design for shooting still image, recording video, adjusting camera focus, zooming the camera and activating the camera's C1 or AF-ON function Portable wireless remote control Specifications Transmission method: 2.4GHz, GFSK modulation Operating distance: Approx. 10m / 32.8' Power: CR2032 battery Dimension: Approx. 110 x 31.6 x 12.7mm (4.3 x 1.2 x 0.5") Weight: Approx. 18g Package Includes Wireless Remote Control x 1 CR2032 Battery x 1 The JJC BTR-S1 Wireless Remote Control is specially designed for select Sony cameras. It allows you to remote your camera wirelessly with an operating distance of approx. 10m / 32.8' in any direction. The BTR-S1 can be used for shooting still image, recording video, adjusting camera focus, zooming the camera and activating the camera's C1 or AF-ON function. You can disable all the buttons on the remote control in order to prevent unintentional operations while you carry it around by sliding the LOCK switch to the "LOCK" position. The remote is portable and you can put it in your pocket or hang it on your key ring. It is powered by a CR2032 battery (included).