The SE FL8826DB 240 lumen COB LED hanging light includes a ballast point, which allows you to conveniently hang it anywhere you want, including your car, garage, work place, and more. This product is especially ideal for hanging in tents. It has a 3 stage switch, including full, Half, and blink. The diameter of the outer is 3-1/2″ and the inner is 1-1/2″. this light requires (3) AAA batteries. For best performance, use alkaline batteries. Batteries are not included. Caution: do not attempt to disassemble or modify this product. Do not mix old and new batteries. Do not reverse polarities. Keep away from children. This is not a toy. Caution: LED radiation. Do not stare directly into beam. Class 2 LED product. Warning for California users: this product may contain substances known to the state of California to cause cancer and/or reproductive toxicity. SE is committed to providing the customer with the best source for value possible on the market. You will enjoy the quality, function and usefulness of our SE FL8826DB 240 lumen COB LED hanging light. Ipr Rights notice: important: avoid getting counterfeit items. Genuine SE products come with the SE® logo on the packaging. SE® is a registered trademark protected by us trademark law.