1.Wave length 645~680mm   2.Out power:1mv5mv 3.Inputvoltage:3V AAA×2  4.The working distance of laser line: 3~6cm(1mw) 7-10m(5mw)(varies under different circumastance) 5.The working distance of laser lot:30-100m(varies under different circumastance)  6.Accuracy of laser line:7m/10m   7.Accuracy of laser lot:±0.5/m

 JinHua HengDa Tools Factory is one of the professional measuring instrument manufactures in China. Our product category includes: various level vials, glass vials, spirit levels, aluminum spirit level, square, Line tape, Chalk line reel and spirit level keychain etc. widely apply in laser spirit levels, teaching instrument, electric tools and hand tools, etc. popular in domestic and foreign markets.