A serious light designed for tec divers, the T110 features a rugged, anodized-aluminum-alloy housing, depth rated to 328 feet. It features a belt loop that allows you to slide the canister onto a two-inch waist belt or tank strap; there are also D-rings and quick links for attaching to a back plate. Connecting canister to light head is a 59-inch cord. The light head itself is compact and equipped with three high-power LED s that pump out 660 lumens. The rechargeable NiMH battery provides four to five hours of illumination and up to 200 recharging cycles.