Feature: 1. Accurate Measurement: High speed chip, rapid response, with absolute, relative, single axis, dual axis measurement functions, and more comprehensive applications. 2. Clear Display: LCD high definition large digital backlight display, digital automatic flip, the measured data is clear at a glance, and the reading is faster. 3. Intelligent Control: Automatic shutdown without operation for three minutes, measurement data can be locked for easy reading. 4. Material: The whole body is made of aluminum alloy, which is drop proof, anti vibration, and more sturdy and durable. 5. Small Portable: Small size, easy to carry, more convenient to use with other measurement tools, expand the measurement range. Specification: Item Type: Digital Display Level Material: Aluminum Alloy Battery: 2 x AAA 1.5V(Not Included) Purpose: For Angle Measurement Number of Magnetic Surfaces: Single Sided, Three Sided (Optional) Range: Single Axis 4 x 90°, Dual Axis ±40° Resolution: 0.02° Accuracy: ±0.2° Repeatability: ±0.1° Display: LCD Automatic Shutdown: 3 Minutes Operating Environment: 0~40℃, Humidity is Not More Than 80% Measurement Function: Absolute, Relative, Single Axis, Dual Axis, Backlight, Reading Flip. Package List: 1 x Digital Display Level1 x Screwdriver1 x User Manual Note: 1.Ship without battery.2.This instrument has been pre calibrated before leaving the factory and can be used after installing the battery.