Integrated laser Infrared pistol laser sight NameTactical green laser maxItem NO.XL-MXGWavelength532nmVoltage6VBatteryTwo 1/3n lithium batteriesRuntime3hoursSpot diameter20mm at 50 meters distanceBeams output modeconstant output or pulseWorking temperature-5 Degrees Celsius -- +55 Degrees CelsiusFixed rail standardpicatinny rail STD-ML-1913Warranty period12 month Contact Information: Dandong XunLei Technology Co., Ltd Tel: +86-415-6227000 Fax: +86-415-6156966 Mobile phone: +86-13614152789 (Gavin Chu) +86-15841539090 (Jason Chu) +86-13654155977 (James Lee) This phone number 24hours available +86-13236977356 (Candy Yang) Contact Person:James/Jason/Candy/Gavin Address: SANDAOGOU Town Langtou Zhenxing District,DanDong City, Liaoning-China