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Remote Shutter Button only, no LED - CamDo Solutions
Camera Remote Control Shutter Release Cable, Camera Remote Control Shutter Release Cord Durable Portable Stretchable 100cm Extension Length For Flash Trigger - Walmart.ca
Amazon.com : WeiHe Underwater Shutter Trigger Extension Lever Accessory for Diving Tray Underwater Housing Case : Electronics
Upgraded Long Rod Adjustable Shutter Release Trigger Extension Level Mount for Diving Camera Underwater Tray Stabilizer Bracket - AliExpress