for Sony Shutter Remote Control Wireless Release with s1 Typ pixel TW 282 Distance up to 100 meters -- Use FSK 2.4GHZ Wireless Remote Control System Multi-Function -- Functions of Cable Timer and Wireless Shutter are in one and provide you with various choices Single Shooting -- Under single shooting mode,you can enjoy your shooting experience more freely Bulb Shooting -- Under Bulb shooting mode,you can freely control shutter exposure time,allowing you to shoot more desirable photos Timer Shooting -- You can set timer to shoot and set the time from 0 second to 99 hours 59 minutes 59 seconds