1Easytoread illuminated, rotating flip display for the inclinometer and angle finder. 2Features robust housing with IP54 protection, making the angle finder water and dust resistant. 3Featuring a large, bright LCD display you can easily read the measurements whatever the light conditions. 4Widely used in equipment installation, industrial engineering and construction engineering. 5Electronic protractor, the measuring range is 0225, high accuracy, easy to measure. 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 1 x Digital Angle Ruler(Battery Not Included) 1 x Storage Bag 1 x Instruction Manual Place the device in a dry and dust& 8209;proof place. Keep out of reach of children.