Features: Key waterproof, wear resistant, easy to operate. The thickened metal base provides stable support and is shockproof. Easy to carry, providing quick and easy movement and storage space. Rotating base: The level has a metal trimmer base that provides 360 degree rotate Microknobs allow users to make 360 degree adjustments and height adjustments. Self leveling accuracy within 3° : Tilts ≤3°, level automatic leveling, when beyond the automatic leveling, warning. Rechargeable battery: Equipped with 2 rechargeable batteries. High capacity batteries can run continuously for 5 hours when the tube is fully(do not overcharge or leave the battery to extend the service life of the battery). Horizontal bottom with 5/8" threaded holes. Can be used with tripod for oblique line, accurate alignment, measurement, reliable operation. Pendulum technology: Tube high precisions light source, to solve the problem of thick/light; Pendulum technology: powerful inner integration designs, mechanical pendulum integration, flexible multi structure pendulum through balance test, pendulum stability/peace/accuracy. Specifications: Material: Metal Size: Approx. 118x195mm/4.65x7.68in Type: 1/2/3 Package Includes: 1x Level note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.