Y51 flashlight Function 1: flashlight | function 2: alarm | function of 3: cutter (safety belt cutter) | function of 4: safety hammer (the hammer) Material: aluminum alloy Lamp: CREE T6 Lens: resin flat lens Light cup: aluminum reflector cup Hammer head: 4 stainless steel attack hammer Cutter: steel cutter (safety design does not injure hands) Alarm: alarm (tail independent switch) Switch: flashlight switch press the on / off half press the shift Gear: weak light | flashing |SOS light | 5 file | light | in Battery: 18650 lithium batteries (not included) The charger or car charger: power supply (not included) Hand rope: hand rope