With this aluminum alloy digital protractor, you can easily get the angle you want and check if the components you need to install are maintained level. It can measure angles accurately and quickly, with LCD screen, come on and have a try, it won't let you down. Features: Made of aluminum alloy material, not easily damaged or bent, has a long working time, does not need to be changed frequently. The LCD display of the product has a backlight function. The backlight automatically turns on during use and automatically turns off after 30 seconds of inactivity when not in use. The product can be used normally in low light and dark environments. Auto Power Off Function: It will automatically shut down when there is no operation for three minutes, which can save energy. Wide range of applications: suitable for construction, woodworking, machining, home improvement, etc. Place the bottom of the product tightly on the surface of the object to be measured. If a horizontal bubble in the right direction remains between the marks on the surface of the horizontal bubble, it means that the surface is horizontal or vertical. With hold function and z-ero function, press the z-ero button or z-ero button to get these functions for a better user experience. Specifications:Material: Aluminum AlloyAngle Measurement Ranges: 0 - 225Resolution: 0.05Accuracy: 0.5Repeatability: 0.05Power: 2 * AAA Battery (Not Included)Operating Temperature: 0 - 40C Storage Temperature: -20C - 60C - 60C Product Size: 415*51*22mm / 16.3*2.0 * 0.9in Product Weight: 357g / 12.6ouncePackage Size: 436*73*42mm / 17.2*2.9*1.7in Package Weight: 411g / 0.9lbPacking List:1 * Angle Sight1 * User ManualMany questions about Dropshipping services are following:1. How many orders can you handle per day? We are a large company in Shenzhen, China, with a large warehouse that can handle large orders every day. We ship countless packages every day. We can guarantee the order you request.2. How fast can you process orders? We will arrange the shipment as soon as possible after you pay for your order. Priority delivery for dropshipping order3. Can you ship an order without any receipts, invoices and promotional offer inside the package? Absolutely! No invoices, receipts, promotional offer if you leave notes on the order (if you want, we can deliver.)4. If you need other products? We can supply most of the products you need as much as possible1If you have any other questions, please feel free to