ASDOMO Underwater SCUBA Diving 2000LM CREE XM-L T6 LED Flashlight Torch Lamp 100M Waterproof (with battery and US charger) 100,000 hours High mode max 2000 lumens Digital Regulated for Constant Brightness 3 Mode operation:Durable aluminum reflector waterproof and shockproof function Battery: 1 x 18650 Li-Ion battery OR 3X AAA Special needs. (For patrolling, hunting and arresting, inspecting, securing, Martin Rescue as well as Light Shooting and so on)Outdoor activities. (For Diving, climbing, camping, seeking survival, walking, diving, fishing as well as hunting, etc.) Please do not put it directly to people's eyes for the powerful light is harmful and it will make you blind