[High Precision] Four different measuring units, with a wide range of applications to meet different needs. [Auto Standby] This digital inclinometer will automatically turn off after 5 minutes to protect the battery without any operation. 【Magnetic Base】The mini electronic level has a strong magnetic base that can be easily and firmly attached to the object being measured. [Powerful Function] Click and press the "Zero" button to set the relative zero angle, then click the "Hold" button, and the current reading will be maintained on the screen. [Warm reminder] When the measuring plane is uneven or there is a large gap between the measuring plane and the bottom, there will be a certain error when the product returns to zero. (This product is sold without batteries) This product is an innovative angle and level measuring tool with an LCD display for easy reading. Light weight, easy to carry and use. It is especially convenient for measuring various angles, the level and angle of the miter saw bevel, inspection and maintenance of vehicle volume, etc. 1. Display resolution: 0.12. Accuracy error: +/-0.2 (0-90), other accuracy errors are 0.33. Measuring range: 490, 100-150-200mm 3 lengths 4. Power supply: 2 x 3V CR2032 button batteries (this product is sold without batteries) 5. There is magnetism on the bottom measurement surface. The pictures are taken from the actual product. There will be color differences. The details are subject to the actual product. Please understand.