The item is a simple and practical LED drop-in module flashlight replacement bulb, made of durable aluminum alloy material. It features an XM-L T6 LED with a precision reflector that produces bright and smooth cool white light for reliable illumination. This replacement bulb is compatible with various flashlight models including UltraFire WF-501A, WF-501B, WF-501C, WF-501D, WF-502D, WF-502B, WF-503B, WF-504B, WF-501N, L2, C1, UniqueFire M2, UniqueFire R5, TrustFire S-R5, and SureFire 6P, G2, 9P. Designed for easy installation and operation, this LED module offers efficient performance with low heat emission and long service life. It provides enhanced brightness and beam distance for improved lighting results. Features - Color: As shown in images - Material: Aluminum alloy and LED - Equipped with solid-state XM-L T6 LED and precision reflector for smooth, bright cool white light - Optimized design for increased light output and extended beam distance - Energy-efficient with low heat generation and long operational life - Easy to install and operate Specifications - LED type: XM-L T6 - LED color: Cool white - Voltage: 3.7V - Color temperature: 6500K–7000K - Luminous flux: 1000 lumens - Compatible models: UltraFire WF-501A, WF-501B, WF-501C, WF-501D, WF-502D, WF-502B, WF-503B, WF-504B, WF-501N, L2, C1; UniqueFire M2, UniqueFire R5; TrustFire S-R5; SureFire 6P, G2, 9P Package Includes 1 x XM-L T6 1-Mode 3.7V 1000-Lumen Cool White LED Drop-in Module Flashlight Replacement Bulb Note: Due to variations in lighting and display settings, the actual product color may slightly differ from images. Allow for minor dimensional differences due to manual measurement.