Specifications: It supports automatic backlight and flip display, with buzzer to prompts horizontal stale, convenient and easy to use. IP54 grade waterproof and dust-proof design makes it can serve you for a long time. With magnet on the bottom, can absorb workpieces for easy measurement. Item Name: Digital Angle Finder Material: Aluminium Alloy Resolution: 0.05 Degree Accuracy: 0.1 Degree (0/90 Degree), 0.2 Degree (Other Position) Battery: 2Pcs LR03 1.5V Batteries (Battery Is Included) Features: Magnetic, IP54 Waterproof, with LCD Display Size Details: 300mm: 31cm x 5cm x 2.8cm/12.2" x 1.97" x 1.1" (Approx.) 400mm: 41cm x 5cm x 2.8cm/16.14" x 1.97" x 1.1" (Approx.) 600mm: 61cm x 5cm x 2.8cm/24.02" x 1.97" x 1.1" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Digital Angle Finder 1 x User Manual