Kaavie Remote Switch Cable Shutter Release for Canon Powershot and Pentax Samsung Contax as RS-60E3 Connecting cable is interchangeable. Suitable for all digital SLRs with different connecting cables. Support single shooting, continuous shooting and long exposure (Bulb mode) shooting, push button forward to lock. Compatible with Canon EOS 60D, 1000D, 550D, 500D, 450D, 400D, 350D, 300D, PowerShot G10, G11, EOS 30, 33, 50, 300, Pentax: K7, K10, K20, K100, K200, Samsung: GX-1L, GX-1S, GX-10, GX-20, Contax: 645, N1, NX, N Digital. Control autofocus and shutter triggering. Capture images without camera shake. Use for continuous or single exposures. No battery required-powered by camera.