Speedlight G2 6V 1 INCH Output - 590 Lumen LED 2nd Gen Tacticl Flashlight by FABbr Shipped from Israel Delivery is about 14 business days br 1 inch in Diameter Overall Length - 31 inch br Output - 590 Lumen LED br Powered by Two CR123 Batteries br Provides Approximately 1 hrsof Constant Runtime