Magnetic angle meter, angle ruler, digital display level ruler, electronic level ruler, digital slope meter, 400MM angle ruler water.

Description: This digital level measure all angles in either 360° range or four 90°quadrants. It can display both degree and slope .    with 4 magnets   . Display is always in upright position which best specially when working overhead. Not only this instrument can measure the horizontal and vertical surface, it also can measure the angles of all slopes rise & fall.   Features: Precision:0.1°  Flip-up LCD,reading always in upright position Measuring range of 0~360° Hold function to freeze measurements Absolute measurement and relative measurement conversation Auto power off Measures precise inclines in degree or mm/m (up to 100mm/m) with 4 magnets    Specifications: Resolution : 0.1°29.4 Accuracy : 0~90°≤0.1°; the rest ≤0.2° Range : 4 x 90° (0~360°) Working current : < 100µA Work temperature : 5~50°C Work humidity : ≤85% RH Magnet: 4 built-in on base plate Power: 2 x 1.5V AAA battery  not include in shipping for safety reasons Battery Lif