Manufacturer's product specifications: - Features a 0.5 watt 28 lumens bright white LED emitter - Crystal plastic reflector optic - Anodized aluminum sturdy construction - Built-in rechargeable batteries - Weight: 1.2oz / 34 grams - Plugs directly into car cigarette lighter socket for charging - 120 minutes usage full recharges in 7 hours . - Differences between this and the more expensive Spotlight ( SKU 20161 ): Spotlight carries a brand: Weiguo Solutions; this is OEM (no-name brand) Spotlight is IPX7 rated waterproof; this is waterproof but not rated Spotlight ships with complete retail packaging; this ships with protective paper box and bubble wrap Spotlight weights 45 grams; this weights 34 grams Spotlight is on hand and immediately shippable (as of 2/9/2009)