JJC RM-S1 Wireless Remote Control For Sony A6000 A77II a7 a7R NEX 5T A99 A57 NEX 5R NEX 6 A65 A77 NEX 5N NEX 7 A290 A390 A450 A560 A580 A33 A55 NEX5 A230 A500 A330 A380 A550 A850 A900 A700 Takes X1 3V CR2025 lithium battery Effective within +/- 30 degrees of the lens axis Dimensions: 2.5 x 6.5 x 0.5cm (1 x 2.7 x 0.2") Remotely control your zoom function Half press shutter release