GoPro Vented Helmet Strap Mount Watches And Wearables The flash is compatible with

The flash is compatible with the i-TTL system for automatic metering with both FX- and DX-format cameras and is optimized for use with Nikon's Creative Lighting System for complete control over your lighting setup

they also enhance button operation

The heater can easily be mounted on the wall and has a 15° downward adjustable angle

Zippo-49088

XL feed tube:Yes

GoPro Vented Helmet Strap Mount Watches And Wearables The flash is compatible withAttaches to any vented helmet Adjustable strap makes for quick and easy mounting One size fits all helmets Note: Always select a helmet that meets the applicable safety standard when you use a helmet with a GoPro helmet mount. Always follow the helmet manufacturer's instructions on safe helmet use.