The Viridian X5L-FDE Gen 3 X Series Flat Dark Earth 500 Lumens LED White combines a 5.0 mW green laser (510-520nm) with a bright 500 lumen CREE LED tactical light for day or night versatility, delivering practical aiming and illumination for universal full-size railed pistols and a wide range of holster configurations designed for Streamlight TLR compatibility. Featuring Viridians patented INSTANT-ON technology paired with an INSTANT-ON holster, the system activates the light and/or laser the moment you draw, and automatically powers down when holstered, enhancing readiness and safety. The design maintains a sleek profile that fits in most concealed carry and duty holsters, with windage and elevation adjustments to dial in precision. Built for reliability, it uses a rechargeable lithium-ion battery and weighs just 3.00 oz, ensuring minimal added bulk during fast-paced engagements. Its Universal Accessory Rail mount provides broad compatibility across popular pistols, while the 100-yard daylight and two-mile night performance offer versatile targeting capability in diverse lighting. This Viridian accessory merges ergonomic control, robust illumination, and a visible green laser to enhance accuracy, situational awareness, and response in training, duty, or tactical scenarios.