This is a digital angle level with the length of 16 inches and can measure the angle of 0 to 225 degrees. It can work with handheld electric saw, table saw, or mitre saw to improve work efficiency. The protractor can be widely used in woodworking, home improvement, construction site and more scenes. Features: LCD digital display with backlight on/ off function, easy to read no matter in the day or at night, clear at a glance. Powered by a 9V 6F22 battery, with low battery prompt; Features 5 minutes automatic shutdown function to expand the service life. 0-225 degrees measuring angle range, 0.1 degree stepping adjustment, with data hold function for easy reading and value recording. High precision dual level bubble to check horizontal and vertical positions. Lock button to adjust the active ruler with the range of 0-180 degrees. Can work with handheld electric saw, table saw, or mitre saw to improve work efficiency, and provide more convenience and security. Aluminum alloy shell is durable and lightweight. The protractor is not waterproof and dustproof, so it's equipped with a carry bag for easy storage and portability. The 16-inch digital angle level is suitable for woodworking, home improvement, framing, customized furniture, stairs, floor, tile and more. Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Main Color: Silver Material: Aluminum Alloy Angle Measuring Range: 0-225 Upward/ Downward Ange: 0.1 Measuring Accuracy: 0.5 Power Supply: 1 * 9V 6F22 Battery Auto Shutdown: about 5min Working Temperature: -10~50 Item Size: 415 * 50 * 22mm / 16.34 * 1.97 * 0.87in Item Weight: 380g / 13.40oz Package Size: 45.5*6.8*4cm / 17.91 * 2.68 * 1.57in Package Weight: 468g / 16.51oz Package List: 1 * Digital Angle Level 1 * Carry Bag