This is a waterproof L2 LED light. The brightness can be adjusted with a slide switch. Waterproof to approximately 100m. Battery: 26650 or 18650 Brightness: Approximately 3000 lumens Total length: Approximately 14cm, Diameter: Approximately 3.7cm The accessories are shown in the second photo. Includes: 1 x 26650 lithium-ion battery, USB charger, hand strap, 2 x O-rings. We will ship after confirming operation.