- HIGH ACCURACY AND FOUR UNITS: 0,1° at 0°~90°, ±0,2° at other angles with 0,05° resolution. It is designed with a wide measuring range of 4*90° (0~360°). There are four types of measuring units available, degrees (°)， percentages (%), mm/m, inches/feet, which can meet different working requirements. This digital angle inclinometer provides convenience in woodworking, construction, machinery, telecommunications, automotive, etc. - LCD DISPLAY WITH BACKLIGHT AND EASY TO READ: Digital angle meter ma large LCD display with backlight, which provides accurate, fast and clear measurements. Users can easily read measurements even in dark environments. The backlight can be turned on and off at will. Also, the display will be automatically reversed when the tool is reversed. In addition, this digital leveler will turn off automatically after 5 minutes of inactivity to save battery. - MAGNETIC V-GROOVE BASE AND EASY MARKING: With a strong magnetic V-groove base at the bottom, this digital bevel meter can be easily and firmly attached to a miter saw, band saw, table saw blades, metal poles and even round pipes. You can also use it on fences, tables, and other metal surfaces. With a strong magnet, you don't have to worry about holding the tool in place while taking measurements. The groove lines on the left and right are convenient for marking when measuring. - HOLD&ZERO: The current measurement value can be stopped on the display by briefly pressing the HOLD button. The zero function allows users to set a relative zero angle on any reference surface. The built-in vial with a level on top is designed for leveling without batteries. - PORTABLE AND PACKAGE CONTENTS: In compact size, this protractor can fit in tight spaces for perfect measurements. With its handy design and portable case, this sturdy, precision tool can be taken with you anywhere. Users can easily install the battery with the included screwdriver. Package contents include 2 AAA batteries, screwdriver, portable sachet with belt loop, user manual. The Huepar protractor AG01 is compact and very convenient for precise angle measurements, including absolute and relative angle measurements. This protractor is great for helicopter calculation / miter saw angle / car test and repair. Technical data: Measuring range: 4 x 90° (0 ~ 360°) Units of measurement: degrees (°)，percent (%), mm/m, in/f Display: advanced LCD display with backlight Resolution: 0,05° Accuracy: ± 0,1 ° at 0° ~ 90°, ± 0,2 ° at other angles Operating temperature: 32°F to 104°F (0°C to 40°C) Power supply method: 2 AAA batteries (included) Dimension: ok. 68x62x32mm (2.68x2.44x1.26 inches) (L x W x H ) Weight: ok. 100 grams Package Contents: 1 x Digital Angle Meter Huepar 2 AAA batteries 1 x Screwdriver 1 x Portable Belt Loop Pouch 1 x User Manual Four units and holding function The Huepar angle meter offers four precise display units in degrees (°)，percent (%), mm/m, in/ft improve measurement accuracy. The current measurement value can be stopped on the display by briefly pressing the HOLD button. This digital angle inclinometer provides convenience in woodworking, construction, machinery, telecommunications, automotive, etc. Absolute and relative measurements With a strong magnetic base with a V-groove at the bottom, this digital protractor can be easily and securely attached to a miter saw, band saw, table saw blades, metal poles, and even round pipes. This bevel meter can be used on fences, tables, and other metal surfaces. The groove lines on the left and right are convenient for marking when measuring. Installation of batteries A screwdriver is included with the protractor set. Users can easily install the battery with the included screwdriver. This digital leveler will turn off automatically after 5 minutes of inactivity to save battery. Vial with level The built-in level on top is designed for leveling without batteries. The bubble vial is located in the middle to indicate horizontal conditions. It is designed with a wide measuring range of 4*90° (0~360° for various applications for measuring and setting angles. Portable With its compact size, this protractor can fit in tight spaces for the perfect measurements you need. With its handy design and portable case, this sturdy, precision tool can be taken with you anywhere.