XTAR WK21 CREE XM-L T6 LED Meteor small and exquisite 43g mini convenient portable keychain LED flashlight Max luminous flux reach up to 500Lm; Our company's patent technology mode DIY system also designed on this Meteor, that means you can reorganize the high, mid, low, strobe and SOS output level easily. Tail disassemble strong magnet, clip, keychain, aircraft aluminium body, reverse polarity protection circuit, antiskid pattern design and anodized processed made WK21 a good choice flashlight for every day carry Max Range:70m;Max Intensity:1225cd;Impact Resistance: 1m;Water Resistance: IPX-7 ( underwater 0.5m);Bulb: CREE XM-L T6 LED Crust Materials: Anodized aircraft 6061 aluminium alloy;Working Voltage: 2.75~4.2V;Battery: 16340;Switch: Head rotary switch;Size: 25.6mmHead diax ? 24.0mmBody diax 70.2mmlength);Net Weight : 43g(Excluded battery);Additional Functions: Memory function, Tail disassemble strong magnet