No Standalone lithium batteries are sold with the product. 2-in-1 Diving Safety LightThe D570-GL engineered with an innovative dual-source design, this light delivers a powerful 1500-lumen output through a tight 8-degree focused white beam, effectively cutting through deep-sea gloom. Combined with a safe Class IIIA (<5mW) green beam reaching up to 1000m, it ensures rapid signaling, flawless rescue capability, and effortless leading communication for professional dive masters. Titanium Alloy Side Button SwitchThe titanium alloy side button switch allows you to press and hold to activate the green light, and release to deactivate it.
Double-click the side switch to turn on the white light, and double-click once more to turn it off. The 8° white beam and 1000m green beam can be controlled independently, adapting to your various diving scenarios. Water Pressure Resistant ConstructionCrafted from aircraft-grade high-strength aluminum alloy, this scuba diving light features dual waterproofing with 3 O-rings and a 4mm tempered glass lens. It boasts exceptional resistance to abrasion and seawater corrosion, while its lightweight design ensures a comfortable grip. This professional diving and snorkeling flashlight is rated for use at depths of up to 150 meters (492 feet).