Features: 1. Multi-Angle Measurement: This angle finder meter allows professional measurement of both inner and outer angles and lengths of objects, providing 0-360° complete measurement. 2. Secure Locking: The tool comes with a convenient locking knob that helps lock the angle at any desired position for accurate measurement. 3. Enhanced Readability: The compact design of this unit coupled with its precise measurement and easy-to-read LCD display, makes it an ideal choice for all your angle and length measuring needs. 4. Auto Power Management: Equipped with the smart technology that automatically switches off the device after 5 minutes of inactivity, and reboots at the touch of induction, ensuring optimum power conservation without compromising on efficiency. 5. Versatile Functionality: The device features buttons for on/off, clear key, data hold, and degree and degree conversion, offering comprehensive functionality for diverse measuring needs. Specifications: Material: Carbon Fiber + ABS Specifications: 0-200mm / 0-300mm options available Measuring Range: 0-360 ° Resolution: 0.1 ° Accuracy: ± 0.3 ° Operating Power: 3V Battery Model: CR2032 Operating Time: 5000 hours Operating Temperature: 0 °C - +50 °C Operating Humidity: ≤85% Auto Shutdown Time: 6 min Usage: Measurement of angle and length Package Included: 1 x Goniometer (Size as your choice)