Type...LED light Brightness (lumens)...300-499lm Thank you for viewing. This is a Black Diamond headlamp. I used it for about 2-3 years after purchase, but I bought another light because I thought I had lost it, so I am selling this one. Black Diamond Storm ※ Although it is not a current product, it is still usable. ● Batteries: Uses 4 AAA alkaline batteries ● Weight: 68g (without batteries) ※ Measured at home The following is a quote from the product description that appears to be the same product listed on Mercari. It may be different, so please check it as a reference only. ● Luminous flux: 350 lumens ● Waterproof rating: IP67 ● Beam distance: 85m (high intensity) ● Battery life: 250 hours (low intensity) Please understand that this is a used item before purchasing. No returns or refunds, please.