A simple and practical LED drop-in module flashlight replacement bulb made of durable aluminum alloy material. Features an XM-L T6 LED with a precision reflector to produce bright and smooth cool white light for effective illumination. Compatible with 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. Easy to install and operate. 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 - Designed to enhance light output intensity and distance - Energy-efficient with low heat generation and long service life - Simple installation and operation Specifications: - DC Forward Current: DC-DC - LED Light Color: Cool white - Voltage: 3.7V - Color Temperature: 6500K–7000K - Lumens: 1000LM - 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: - Color may vary slightly due to lighting and screen settings - Slight measurement variations may occur due to manual measurement