Panlelo Diving Headlamp 450 Lumen Q5 Cree Underwater LED Scuba Diving Lights Headlight Lamp Maximum 30 Meters Waterproof This product in our U.S Warehouse. Minimum 2-3 business days for delivery ONLY. It is made of High Quality ABS Plastic & Aluminum Alloy & it comes with shockproof capability; Light weight & easy carrying Lifespan can reach Minimum 120 Hours under water Please fasten the Positive Pole lid & Negative Pole lid in order to switch on power.