???John Snow wireless shutter remote control through multi-visual receivers， remote real-time look and listen to the camera viewfinder image and sound， and can remote control the camera shutter to shoot. Help you ease to meet a variety of special scene， fully embodies the fun of the wireless remote photography.                                                                        Specifications                        Dimension     Receiver: 4.49 x 2.44 x 0.63 in (L x W x H) Transmitter: 2.80 x 1.77 x 1.02 in (L x W x H)    <br>          Weight     15.77oz    <br>          Color     Black    <br>                                                             Package Includes                1 x Transmitter<br>    2 x Charger<br>    2 x Cable<br>    1 x Manual<br>    2 x Battery<br>    1 x Bag<br>    1 x Headset<br>    1 x Receiver<br>