Check the listing for details. JJC Wired Remote Switch Control + Microphone Cable for Sigma FP fp L as CR-41. Condition: New. Listed at 14.99 USD. The JJC S-I3 Remote Switch is a compact wired remote switch with the cable which replicates all functions of the camera's shutter release button. The remote is ideal for taking pictures of subjects that are difficult to approach and minimizing vibration for close-ups and long exposures. How to use 1.Press the shutter button halfway to focus 2.Press the shutter button fully to trigger the camera shutter for photo shooting and video recording(start/stop) 3.Press the shutter button and slide it forward to lock the camera shutter for long exposures Product Highlights For Sigma FP digital camera Replaces Sigma CR-41 Allows you to control Autofocus, photo shooting and video recording(start/stop) and enables you to use your external 3.5mm microphone at the same time Capture Images without Camera Shake Ideal for Taking Long Exposures Use for Continuous or Single Exposures No Battery Required-Powered by Camera