Features: Zoom control and recording start/stop functions with 2.5mm and USB MULTI interface. It can be fixed on bar of 10mm to 30mm diameter. Suitable for camcorder with jack and USB Multi Don not need battery. It can be clamped to the tripod to make your hands free. For Sony and for Panasonic camcorders with 2.5mm Jack. Specifications: Material:ABS Color:Black Compatibility: For SONY camcorders: 190P 150P 198P VX2000E 2100E 2200E FX1000E FX1E FX7E Z1C Z5C AX2000E NX5C NX3C V1C A1C HD1000C 1500C 250P PD100AP PDX10P 900E , HXR X70, MC88 , Z90, NX80 For 2,5mm Panasonic Camcorder Package included: 1pc x Zoom Remote Commander Control 2pc x 2.5mm Shutter Connecting String Cable 1pc x USB MULTI Shutter Connecting Cable