BestDealUSA Wireless Remote Shutter Release for Nikon D3100 D7000
Energy-saving design allows long battery life usageDescriptionThis wireless remote shutter release is very useful and helpful gear for prevent vibration when taking photos under long exposures, close-ups (macro) or continuous shooting. It can instantly trigger the shutter without disturbing the camera in the distance. Widely used to minimize the camera shake for macro shooting or long time exposure, or used to take subjects that are difficult to approach. The frequency is 433 MHZ and receiver uses 2 AAA batteries.Its maximum working distance is up to 30M in open area without blockage.Specification:   16 channels wireless remote control   Transmitter Power : 12v--20mh   Receiver Power: 12V Lithium battery   Receiver Size: 9.3cm (L)x 3.5cm (W)x 1.5cm (H)   Transmitter Size: 6.85cm(Height) x 2.1cm(Diameter)   Cable length:12cm* Compatible With Nikon:D5100, D3100, D7000, D5000, D90Package Contents:    1xTransmitter    1xReceiver    1xManual (note: 2 AAA battery for Receiver is not included)