UltraFire 1000 Lumen High power Cree LED Flashlight specification: 1.Description Emittor Type: Cree MC-E Reflector: OP Aluminum Drop-in LED Circuit: Buck Voltage Regulated Springs: Steel Silver Coated Modes:Low/High/Strobe (Can choose 5 Modes) Swith Type: Tactic Click Reverse Swith Finish Type: Harden Type III Construction Aluminum Lumen/Runtime: 1000Lumen/90 minutes LED Tint: WC LENS Material: Glass 2:Dimensions: Length:21cm Head Dia:5.5CM Weight:300G (excluding battery) 3.Regulations: Battery Type: 2X18650 Battery Voltage :7.4V 8.4V Construction: Shockroof and water resistant