【Durable Construction】 Machined from Mil-Spec hard-anodized aerospace aluminum, dual O-ring and gasket seals delivers IP66 waterproof level which make light rugged, durable and combat ready. 【Blinding Brightness】 A virtually indestructible, recoil-proof LED generates 1200 lumens of blinding white light and continues producing tactical-level light for 4 hours 200 meters beam. 【High-Performance】 The optically coated tempered glasses provide better light transmission, total internal reflection (TIR) lens creates versatile beam with plenty of reach and sufficient peripheral illumination for medium-range operations. 【2 Types of Switches】 This rugged light easily and securely attaches to MIL-STD-1913 Picatinny rails via its integral thumbscrew clamp. It uses either a remote switch with momentary/constant-on operation or a push-button tail switch for different tactical needs. 【What's Included】 1 x Feyachi WL15 weapon flashlight, 1 x remote switch, 2 x 18650 batteries, 1 x battery charger. 5-year product warranty and 7×24 hrs friendly customer service. HOW TO INSTALL BATTERIES?
