A5 Laser Level 2~5 Line Red Beam Line 360 Degree Rotary Level Self-leveling Horizontal&Vertical Available Auto Line Laser Level This product is mainly suitable for 1. Light steel keel ceiling construction 2. Compartment construction 3. Hydropower, air conditioning, fire protection pipeline erection 4. Marble and floor tiles 5. The overall construction of the OA series office can be used for all kinds of horizontal and vertical projects. Feature 1. Powerful inner core,accurate measurement. 2. Powerful laser enhancement point. 3. Automatic leveling &Alarm cue,AC and DC dual use. 4. Anti falling and dust,strong waterproof. 5. 1 perpendandicular line + 1 horizontal line+1 bright spot 6.can be hung on the wall,Any highly available 7.Light and practical easy to carry 8.Retate 360 degrees of freedom 9.Automatic alignment, automatic alarm uneven product,Smart convenient, more efficient