Lock/Unlock Mode: Prevents accidental activation. Press and hold the tail switch in lockout mode to unlock and enter Firefly mode. In Firefly mode, press and hold to re-enter lockout mode. A click of the tail switch flashes to indicate it's locked. Mini but Mighty: Boasts an impressive 950 lumens and a beam distance of up to 187 meters with its high-performance LED and PMMA TIR lens. Rechargeable Battery: Integrated Type-C charging interface for convenient recharging. Compact and Lightweight: Weighs only 2.29 oz and measures 98 mm in length, fitting easily in your pocket or bag. Easy to Operate: Single-button operation with built-in spring for smooth, anti-slip pressing, simplifying mode changes. Upgraded Pocket Clip: Dual-direction clip for versatile attachment to hat brims, backpack straps, or pockets. Includes a lanyard hole for additional carrying options. Durable Construction: Made from high-quality aluminum alloy with a premium type III hard-anodized finish, featuring helix body knurling for a unique style and solid grip. PLEASE DON'T HESITATE TO CONTACT US IF ANY FURTHER PROBLEMS WITH OUR PRODUCTS