Angle Finder Ruler, Digital Protractor Angle Finder Ruler Waterproof 400Mm for Woodworking Measurement for Equipment Installation 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 degrees Celsius -40 degrees Celsius Storage Temperature: -10 degrees Celsius -50 degrees Celsius Package List: 1 x Digital Angle Ruler(Battery Not Included) 1 x Storage Bag 1 x Instruction Manual Note: Place the device in a dry and dust‑proof place. Keep out of of children.