The new Crazefoto remote control makes taking group photos easy by allowing you to take pictures away from the camera. The remote control allows the selection of either a 2-second shutter delay or instant shutter release. The RC is completely dedicated to the Sony Alpha A33, A55, A57, A65, A77, A99, NEX-5, NEX-6, NEX-7, A230, A330, A380, A390, A450, A500, A550, A560, A580, A700, A850, A900 Features: -Wireless Infrared up to 30 feet in front camera -Lightweight & reduce shake -Trigger instant or 2 second countdown Trigger Shutter Release Remote Control for Sony Cameras Listed Below: -A7R II, A7 II, A7, A7R, A7S, RMT-DSLR1, DSLR2,A6300, A6000, A33, A55, A57, A65, A77, A99, A900, A700, A580, A560, A550, A500, A450, A230, A330, A290, A390, A380 - NEX-7, NEX-6, NEX-5R, NEX-5T, NEX-5C, NEX-5N Not Compatible Camera Models Below: -a35, a37, a100, a200, a350, a750, a850, a5000, a5100, NEX-F3, NEX-C3, NEX-3N Remove Insulation Piece First before Use -In order to prevent battery from drain off, we put one plastic transparent insulation piece above battery, customers should Remove the Insulation Piece First before Use, otherwise, remote will not work. Specifications: -Dimension: 2.8 x 1.2 x 0.3'' -Product Weight: 0.34oz