The Makita SK40GD Cordless Line Laser is a rechargeable green multi line laser powered by a 12v Max CXT Li-ion battery. There are two brightness modes available, High and Eco, these can be selected depending on work conditions. This model features 4 verticle lines plus 1 horizontal line. Features & BenefitsLaser line mode: 4 Vertical lines plus 1 Horizontal lineHigh accuracyHigh brightness green laserIndication method: Automatic vertical line by gimbal mechanismGimbal braking method: Magnet damper method2 Brightness modesIP54 (dust and splash water) rated protection SpecificationsVoltage: 12vBattery Type: CXT Li-ionOperating Temp Range: -10 - 40°CLaser Colour: GreenNumber of Laser Lines: 5Wavelength: 515nmLine Width: 3mm at 10mPlum Dot Colour: Red ContentsMakita SK40GD Max CXT Cordless Multi Line Laser 12vStorage CaseShoulder StrapNo BatteryNo Charger