Meet the SureFire X400U Ultra WeaponLight—a high-lumen, rail-mounted illumination tool built for fast, accurate responses in close to mid-range engagements. It fits virtually any rail-equipped pistol and pairs a recoil-proof LED with a precise laser to help you get on target quickly, even in less-than-ideal conditions.

Key Features & Design

• 1,000 lumens from a recoil-proof LED with a precision TIR lens, delivering a smooth, far-reaching hybrid beam with a large center spot and ample surrounding light for situational awareness.
• Choose between <5 mW / 635 nm red laser and <5 mW / 515 nm green laser models.
• Integral ambidextrous momentary- and constant-on switching for quick engagement and steady follow-ups.
• Attaches securely to both Universal and Picatinny accessory rails on pistols or long guns.
• Weatherproof with an O-ring and gasket sealing; mil-spec hard anodized aluminum body for extreme durability.
• Supports optional DG and XT remote switches for precision control without altering your grip.
• Batteries: Two 123A (incl.)
• Dimensions & weight: Length 3.7 in (9.4 cm); Bezel diameter 1.125 in (2.9 cm); Weight with batteries 5.0 oz (141.7 g).
• Performance: Distance 213 meters; Beam output 1,000 lumens; Laser runtime 24 hours.
• Protection: IPX4 water ingress protection.
• Note: This product is subject to ITAR/EAR Export Controls. Please contact us for details.

Specifications

• High output: 1,000 lumens
• High runtime: 1.25 hours
• Peak beam intensity: 11,300 candela
• Batteries: Two 123A (incl.)
• Switching: Ambidextrous push/toggle
• Length: 3.7 in (9.4 cm)
• Laser runtime: 24 hours
• Distance: 213 meters
• Body Construction: Aluminum
• Finish: Mil-spec hard anodized
• Weight with batteries: 5.0 oz (141.7 g)
• Bezel diameter: 1.125 in (2.9 cm)
• Liquid ingress protection: IPX4