Item Type: Digital Level Inclinometer_x000D_Material: Plastic_x000D_Model: DXL360S non-magnetic_x000D_How to Use: _x000D_1.POWER (in normal operation, this button is mainly used to open and close the angle ruler)_x000D_2. ZERO (press the button, the current angle will be set to zero)_x000D_3. HOLD (after pressing this button, the LCD will lock the display of the angle when pressed; the [O] on the screen will flash, indicating that the current angle reading is locked)_x000D_4.ANGLE (Any object angle measurement button, press and hold for 3 seconds to enter the menu mode, set various parameters)_x000D_Built-in Battery: Rechargeable lithium ion battery 3.7V_x000D_User Interface: Backlit single color LCD_x000D_Charger Interface: 5V 500mA Mini B type USB interface_x000D_Resolution: 0.01_x000D_Accuracy: 0.05_x000D_Measuring Range: Double axis 360_x000D_Size: Approx. 70 x 70mm / 2.8 x 2.8in 1Measurable double?axis tilt angle, large?screen LCD clearly displays the angle. 2M4 screws can be installed on the back for easy instrument fixation, installation and measurement. 3Buzzer alarm can be set at the specified angle, small size and good performance. 4Wide range of applications, can be used in machinery manufacturing, automobile maintenance, wood processing, instrument testing, home decoration, etc. 5Strict quality control and quality assurance, high safety factor, can be used with peace of mind. 1 xLevel Inclinometer 1 x Data Line 1 x Plug 1 x User Manual