Meike Mk-xt1 Pro 2.4g Wireless Remote Control Battery Grip for Fujifilm Xt1 [GIFT: Battery Caddy!] 2.4GHz wireless remote control channel AE-L / AF-L button to lock and efficient seal design Dual dial, multiple buttons more convenient operation The timer can set the delay time, exposure time, interval and the number of sheets photo Vertical shooting function, the best choice for portrait photographs