1、Adopt high-quality flexible wire core as guide line, high elastic metal contact sheet as switch, durable without deformation, precision metal plug, closely connected shutter line interface. 2、Soft wire, thick and durable contacts, switch has good elasticity and resilience quickly, good hand feeling. 3、Lightly half press the shutter button of the camera, start the camera autofocus/metering system, half-press the shutter to in-focus accurately. 4、When the camera sets the BULB shooting, can press the shutter release button completely and push forward. Can lock the camera shutter for long exposure shooting. 5、Support for focus, shutter release and BULB shooting. Three shooting methods: single shooting, continuous shooting and video shooting. 6、Minimize vibration during filming. Photograph inaccessible objects. 7、Shutter release line is 90cm length, lightweight, good stability, easy to carry. Recommended for night/product/advertising/stage shooting, commercial photography, etc. Item type: SLR Camera Shutter Release Condition: 100% brand new Model: RM-VPR1 Material: plastic Weight: Approx. 59g Color: black Shutter release line length: Approx. 90cm/35.4in Shutter release compatibility list: VPR1: for Sony a7RIII / a9 / a7 / a7R / a7S / A7 II / a7S II / a7R II / a6500 / a6300 / a6000 / a5100 / a5000 / a3000 /HX400/ HX350/ HX300 / HX50 / HX60 / RX100 M2 / RX100 M3 / RX100M4 / RX100M5 / RX100M6/a58 / NEX-3N 1 x Shutter Release Remote Control 1 x Instruction