this undersuit is light and flexible

Easy to operate switch knob is made of lightweight but very tough and resistant to environmental conditions polymer (Delrin®)

Designed for the harshest conditions

thick hood with an innovative cut

Shark Polaris halcyon this undersuit is light andThis little backup light packs a serious punch! Together with a SAFT 14500 Li Ion battery (included) it gives about 600 lumen for over 10 hours. if you dont have access to a Li Ion battery a normal AA will fit and give about 150 lumen. Not only is this an excellent light to always carry around, you dont even have to carry it at all. There is an optional holder so you can fit it on your mask strap for hands free operation. Perfect for the photographer