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

Maximum dive depth alarm FREE (APNEA) PROGRAM

) can enjoy high powered adjustable light without the connection to a cord and battery

built in heating glove wires

thick hood with an innovative cut

Shark Polaris halcyon Easy to operate switch knobThis 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