Hilight Power Series Single Purple Laser Sight Black. The universal mounting system attaches to Picatinny rails with at least 2 slots as well as most single-slot Glock-style rails (but not slimline/single-stack models such as 43x/48). Specifications for Hilight Power Series Single Purple Laser Sight: Manufacturer: Hilight Color: Black Beam Color: Purple Finish: Anodized Wavelength: 405 nm Attachment Type: Picatinny Battery Type: Lithium Ion Water Resistance Level: IPX-4 Length: 1.8 in Width: 1.1 in Height: 1 in Weight: 1.1 oz Fabric/Material: Aircraft Grade Aluminum Features of Hilight Power Series Single Purple Laser Sight Built-in rechargeable battery supports 5 hours of runtime per charge. Charged via magnetic USB cord (included) with low battery indicator and overcharge protection. Made from military aircraft-grade anodized aluminum designed to withstand harsh conditions with IPX4 waterproofing. Lightweight at approximately 1.1 oz. Fits most firearms with Weaver or Picatinny rails (requires 23mm/0.9in clear space). Includes replaceable bolt and plate for versatile mounting. Dual ambidextrous on/off switches for versatile grip styles. Lasers can be tuned vertically and horizontally for enhanced speed and accuracy ideal for range and field use. Backed by a 1-year manufacturer warranty ensuring reliable performance and customer satisfaction. Package Contents: Hilight Power Series Single Purple Laser Sight Charge cord Mounting hardware Laser adjustment wrench Instruction manual Hilight P3P: Power Series Single Purple Laser Sight Black