... surface. 2. Explosion-proof, water-proof, corrusion-proof. Especially, 1. Magnetic botton can stay on steel metal surface. 2. Fixing Base ... event, and etc. Specifications: Light source: 3 watt 180 lumens LED, LED lifetime: 100,000 hours, Battery capacity: 4400mAh rechargeable li-ion ... , (battery included) Ex mark: Exib II CT4 IP classification: IP66 Magnetic LED flashlight 3 watt 180lumens