Specification:Material: Aluminum alloy Reflector: Smooth LED: Luminus SST20 LENS: Ar-coated glass lens Driver: 7135*8 with biscotti firmware Battery: Runs on 1pcs 18650 lithium battery (protected or unprotected) Diameter of head: forty four Length: 142mm Diameter of body: 25 Weight : 145gPackage type:A. With 18650 battery: 1*C8+ Flashlight 1*18650 rechargeable battery 1*USB charger 1*Rope B. No battery: 1*C8+ Flashlight 1*RopeMode Instruction: 12 groups1 the replace to show the flashlight on/off,tap the change to make a decision mode 2 flashlight is grew to become on,tap the switch 20 occasions soon to go into into config mode.(On a visible interface,as lengthy as you click an option, it means that the alternative is selected. The flashlight has no visible interface. It flashes to represent an option, and "tap the swap in the flashing process" means to make your mind up the option.) Option 1 (normal-flash 1 time + buzz-flash): tap the switch to enter into sub-option to decide the mode group,If the man has no operation, the config mode will enter preference 2. -------------sub-option 1 (normal-flash 1 time) : tap the change to pick mode organization 1 (0%, 1%, 10%, 35%, 100%, strobe, biking, battery-check) -------------sub-option 1 (normal-flash 2 times) : faucet the switch to select mode organization 2 (0%, 1%, 10%, 35%, 100%) -------------sub-option 1 (normal-flash 3 times) : faucet the replace to choose mode organization 3 (100%, 35%, 10%, 1%, 0%) -------------sub-option 1 (normal-flash 4 times) : faucet the swap to choose mode organization four (1%, 20%, 100%, strobe, biking, battery-check, SOS) -------------sub-option 1 (normal-flash five times) : tap the change to choose mode group 5 (1%, 20%, 100%) -------------sub-option 1 (normal-flash 6 times) : faucet the swap to decide mode organization 6 (100%, 20%, 1%) -------------sub-option 1 (normal-flash 7 times) : faucet the swap to select mode group 7 (0%, 1%, 10%, 50%, strobe, biking, battery-check, SOS) -------------sub-option 1 (normal-flash eight times) : tap the swap to determine mode organization 8(0%, 1%, 10%, 50%) -------------sub-option 1 (normal-flash 9 times) : faucet the swap to choose mode organization nine (50%, 10%, 1%, 0%) -------------sub-option 1 (normal-flash 10 times) : tap the swap to pick mode organization 10 (1%, 10%, 35%, 100%) -------------sub-option 1 (normal-flash 11 times) : faucet the switch to choose mode organization eleven (100%, 20%, strobe) -------------sub-option 1 (normal-flash 12 times) : tap the switch to choose mode group 12(100% only) Option 2 (normal-flash 2 instances + buzz-flash): tap the switch to active the mode memory or inactive it,If the man has no operation,flashlight will input into the last mode. Battery-check instructions: <2 1 flash, 2 2 flashes, 3 3 flashes, three four flashes, >3 five flashes