Halcyon - PRIMARY LIGHT HEADS Style:Focus 2.0 with EO the Arc includes an anti-reflective

the Arc includes an anti-reflective coating that’s applied to both sides of the UltraClear lenses

Receive real time gas pressure data and benefit from accurate gas time remaining calculations for extended dive time

700 lux at 3m (10ft) on high power

Stainless steel bleed screw

Halcyon - PRIMARY LIGHT HEADS Style:Focus 2.0 with EO the Arc includes an anti-reflectiveHalcyon PRIMARY LIGHT HEADS Includes the light body without a battery or canister. The E O cord version is a great option for exploration divers or traveling divers on that once in a lifetime dive trip" who have E O canister connections. Having a spare light head allows a diver to replace their primary light head with an alternative should one experience a damaged lighthead.