40 is a flashlight, work light, strong headlamp function, its main light configuration an XPG2 wick + both sides of the COB wick, taking into account the far light and near light, can use 1 * 21700 lithium batteries, 1 * 18650 lithium batteries and 3 * AAA batteries as a power supply drive, with five-speed lighting and flash function, extremely bright switch a key to switch the extremely bright mode, charging mode using the anti-reverse plug TYPE-C USB charging port, and comes with a strong magnetic and pen clip function to better free your hands, is a good helper for you to experience outdoor activities and work.Features1. Aviation-grade aluminum barrel, wear-resistant hard anodized treatment2. Aluminum alloy high concentration reflector3.XP-G2+COB wick, both far light and long light4. Extremely bright switch: three lights extremely bright - off, the main switch: the middle bright - side lights COB bright - three lights high bright - three lights low bright - three lights flashing - off5. Any mode by the extremely bright gear a key switch6. Line power failure protection function, the light body fell to the ground when the light is always on7. Gear memory function, stay in any gear for 5S and more, turn on the light again to restore the previous gear off8. Built-in USB TYPE-C charging port, anti-reverse plug, waterproof and dustproof, so that the charging interface life longer9. Available in 3 models of battery specifications: the use of a 21700 lithium batteries or 1 18650 lithium-ion batteries or 3 AAA batteries10. 160 rotating lamp body design, all-round lighting 11. Strong magnetic suction function on the left side of the lamp body, can be used for industrial maintenance 11. Removable bracket, after removal can be installed holding clip, to meet the lighting needs of different scenes12.IPX4 waterproof and 1.5m high drop-proof