Size:250*170*250mmPrecision:1mm 5mWavelength:635nmProduct Name:Good quality dongcheng red 635nm electric laser level cross :Blue + GreenLaser Color:RedOperating Temperature:-10 ~ 40WEIGHT:0.9kgPacking:1pc plastic BoxBattery:3*1.5V AA(excluded)Laser Class:2 ,3 and 5 GradeMaterial:MetalPayment terms:T T