2PCS Camera Accessories: 1 x Step Up Adapter Ring 1 x IR remote controlThe 37mm -49mm ring adapter easily screws onto the front of any 37mm lens, and converts the thread size of your lens to the thread size of any other 49mm accessory (such as filters, hoods, flashes and lens converters).100% Brand NewColor: BlackMaterial : Metal+ plasticIR remote control: This wireless trigger can trigger the shutter compatible with remote cameras.Eliminates vibration caused by physical pressure of the trigger.Range up to 16 ft / 5m.It is powered by a 3V CR-2025 lithium battery (included).NOTE: Weak battery may affect the range of operation of the remote control.The wireless remote control (infrared) is only 3.4 inch/ 86 mm long and can easily be integrated into your pocket.Size: about 3.4inch x 1.6inch x 0.2inch / 86mm x 40mm x 6mmCompatible with Sony Series a7, A7, A7, A7, A3, A280, DSLR, and NEX -7, NEX-6 NEX-5T compact camerasHow to use:If you press the S, the shutter will be released immediately.Press the 2S, then loosen the trigger about two seconds later.Step Up Adapter Ring: Product Name : Step Up Adapter RingLens Side : 37mm / 1.45inchFilter Side : 49mm / 1.9inchTotal Size : 51 x 5mm / 2.0inch x 0.2inch (D x T)Package Contents:1 x Step Up Adapter Ring1 x IR remote controlNote: Camera is not included in the scope of supply Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.