Feature: 1. Easy‑to‑read illuminated, rotating flip display for the inclinometer and angle finder. 2. Features robust housing with IP54 protection, making the angle finder water and dust resistant. 3. Featuring a large, bright LCD display you can easily read the measurements whatever the light conditions. 4. Widely used in equipment installation, industrial engineering and construction engineering. 5. Electronic protractor, the measuring range is 0°‑225°, high accuracy, easy to measure. Specification: Item Type: Digital Angle Finder Material: Aluminum Alloy Color: Silver Measuring Range: 0°-225° Application: Widely used in equipment installation, industrial engineering and construction engineering Battery Type: 9V6F22 (Not included) Working Temperature: 0℃-40℃ Storage Temperature: -10℃-50℃ . Package List: 1 x Digital Angle Ruler(Battery Not Included)1 x Storage Bag1 x Instruction Manual Note: Place the device in a dry and dust‑proof place. Keep out of reach of children.