ITEM NAME:Electronic Spirit Level Digital Protractor Angle Finder Meter Gauge Description: Used in machinery manufacturing, automobile maintenance, medical industry, wood processing, instrument testing, home decoration Strong adsorption magnet design, release both hands, easy to record readings, simple and convenient When the instrument is placed upside down, the display screen will automatically over and display 360 degree measurement for easy viewing of data. Four Units One Key Switching Angle Slope m m/m in/ft Lock at any angle, HOLD key can keep data at any angle. High Precision Double Horizontal Bubbles Vertical Horizontal Bubbles and Transverse Horizontal Bubbles Specification: Material: Plastic Length: 100mm Width: 42mm Height: 16mm Range of measurement: 4×90 degrees Resolution: 0.1 degree Power Supply: 3V Button Battery ×2 Working temperature: 0℃ - 40℃ Relative humidity: 40%-80% Package Includes: 1Piece Digital Spirit Level SKU: FUZ0017343060024262.Four Units One Key Switching Angle Slope m m/m in/ft. High Precision Double Horizontal Bubbles Vertical Horizontal Bubbles and Transverse Horizontal Bubbles. Lock at any angle, HOLD key can keep data at any angle.