No.1 Flashlight DH25 Canister Diving Light/Diving Headlight USA CREE XM-L U2 LED (Max 1000 Lumens) Type: D25H Selling Unit: Set Specifications: Operation voltage: 6V to 10V. Waterproof: 100 meters underwater Dimensions: light head: 70mm (length) *46mm (dia. of head);canister: 166(length)*36mm (dia. of body) Weight:513 grams (without batteries); 695 grams (with batteries) Underwater Weight: 360 grams (with batteries) Impact resistance: 1.5M. BATTERY INSTALLATION 1. Remove the top cover of the canister by turning counter-clockwise. 2. Remove used batteries and replace with fresh batteries as shown by the polarity stickers. 3. Mount the cover by turning clockwise. BATTERY CHARGING 1. Plug the charger in the wall power socket, the indicator light is green in the free-load status. 2. Put the battery in the slot of the charger. 3.The indicator light is red if the battery is not fully charged; it will turn green after fully charged.4. Take out the fully c...