Feature:1. Vertical and horizontal high precision double bubble, can ensure the accuracy and stability of measurement.2. Use two no. 7 battery specifications, low power consumption, medium use can reach more than half a year.3. Its body is light and small, easy to carry, can work anytime and anywhere, is a good helper on the job, but also your good choice.4. It can play four kinds of lines, horizontal line, vertical bar, point, vertical line, which has a wide range of uses.5. Suitable for a variety of uses, such as paving tiles, installing carpentry on doors, Windows or furniture, etc. But not suitable for outdoor use.Specification:This is a high precision double bubble portable laser level to ensure the accuracy and stability of the measurement value.Features:Vertical and horizontal high precision double bubble, can ensure the accuracy and stability of measurement.Use two no. 7 battery specifications, low power consumption, medium use can reach more than half a year.Its body is light and small, easy to carry, can work anytime and anywhere, is a good helper on the job, but also your good choice.It can play four kinds of lines, horizontal line, vertical bar, point, vertical line, which has a wide range of uses.Suitable for a variety of uses, such as paving tiles, installing carpentry on doors, Windows or furniture, etc. But not suitable for outdoor use.Specifications:Material: ABSColor: YellowWavelength of Laser: 500nmLine Width: 0.5-1cmWorking Distance: 5mWorking Temperature: 0-42°power supply: 2 * NO.7 Battery (Not Include)Package Size: 15 * 10 * 8cm / 5.9 * 3.93 * 3.14inPackage Weight: 210g / 7.4ozNote: Please read the product manual carefully before use.Package list:1 * Line Device1 * Chuck1 * BracketPackage List:1 * Line Device1 * Chuck1 * Bracket