Docooler LYNCA RM-VPR1 S2 Wired Remote Shutter Release Control Cable for Sony A58 A7R A7 A7II A7RII A7SII A7S A6000 A6500 A6300 A5100 RX100II RX100M5 DSLR Camera Specifications: Item Size: 8 * 2.1 * 1cm / 3.1 * 0.8 * 0.4inch Item Weight: 34g / 1.2oz Package Size: 13.2 * 5.1 * 2.3cm / 5.2 * 2 * 0.9inch Package Weight: 42g / 1.4ozPackage List: 1 * Shutter Release Control 1 * User Manual(English/Chinese)Note: No battery is needed.