Working principle: This product adapts the principle of three-phase alternating generator by cranking to produce electricity which is rectified and filtered to charge an inner 80mAh/3.6v Ni-H chargeable battery. The electricity in the battery can be used for lighting and charging mobile phone through wire and connector. Application scope & Environment required: Application scope: It can be used in very urgent condition as self-assistance tool. Environment required: 1.Temperature: -20~55℃ 2..Humidity: <80% Executive standard: Q/ZSB 01-2006 CRNKING CHARGER FLASHLIGHT. Components: 1. Outer covering is composed of upper shell, bottom shell and head shell.. 2.Generating unit is composed of gear integrated with brushless three-phase motor and handle. 3.Circuit unit is composed of three-phase bridge rectification filter circuit, 80mAh / 3.6v Ni-H chargeable battery, etc. 4.Lighting unit is composed of ∮3 LED bulb,lens,light-focusing cup,etc. 5.Flashing unit is composed of four pieces of red LED,lens,etc. 6.Magnetic unit is composed of three pieces of magnet,which are embeded head cover. 7.Cutter unit is composed of cutter and cutter carrier. 8.Hammer unit is composed of hammer and cover. Functions: 1.Cranking generates electricity to charge the inner 80 mAh / 3.6v Ni-H chargeable battery which reserve electricity. 2.Cranking generates electricity to charge mobilephone through a connector and wire. 3.One bulb can light. 4.It can flashlight to give warning. 5.It can break glass. 6.It can cut strap. 7.It can be attached to iron object. Characteristic of products: 1. It adapts brushless three-phase cranking generator to produce electricity, which is of high efficiency with low noise. 2. It is convinent to use by cranking without changing battery. 3. It has complete emergency treatment. 4. It is controlled by electric switch with long life. 5. It is novel, fashion and exquisite. Using method: 1. For lighting: Turn the handle, hold the unit by one hand, crank the handle by the other hand at the speed of 4 circles per second for about one minute, push the switch, the light will on. Press the lighting switch once the lihgt on, once more the light off. 2. For flashing: Press the flash switch once, 4 luminous tube flash, press once more 4 luminous tube off. 3.For charging mobilephone: Take off the DC cover, one end of connecting wire in DC socket, the other end in the socket of mobilephone. One hand hold the unit, the other hand crank the handle at the speed of 4 circles per second. Emergency treatment: 1.Break: Take off the hammer cover, hold the product and stike at the object you want to break. 2.Cut strap: Hold the product and strap, cut at the strap.