UltraFire&reg; WF-502B XM-L T6 5-Mode 1000-Lumen Memory White LED Flashlight with Clip (1*18650) Rechargeable,High strength T6061 aircraft aluminum alloy Hard-anodized finish; Anti-abrasive; free-scratch; shock-proof; Waterproof and anti-explosion Indoor emergency illumination; car standby lighting?security corollary equipment?personal illumination?travelling/adventure Must 5 Mode Arrangement: Hi &gt; Mid &gt;Lo &gt; Strobe &gt;SOS