Features 1、Angle level meter, the angle range is 0‑225°, the measurement accuracy is ±0.5°, and the increase or decrease angle is 0.1°. 2、With horizontal and vertical bubble level, it is mainly used for testing and calibration for easy measurement. 3、Support automatic shutdown after 5 minutes to extend battery life, suitable for interior designers. 4、Equipped with a backlit LED display, so that the data can be read clearly even in very dark conditions. 5、With data hold function, need to press the red knob (the knob is only used to loosen and tighten, and cannot completely fix the angle). Specifications Condition: 100% Brand New Item Type: Angle Level Material: Aluminum Alloy Color: Silver Weight: Approx. 513g / 18.1oz Size: Approx. 41.6x5.3x2.3cm / 16.4x2.1x0.9in Battery Parameters: Battery Type: Laminated Battery Battery Model: 6F22 Nominal Battery Capacity: 800MAh Measuring Range: 0-225° Increase/Decrease Angle: 1° Measurement Accuracy: ±0.5° Automatic Shutdown: After 5 Minutes Working Temperature: -10-50℃ Package List 1 x Angle Level (Battery Not Included) 1 x Storage Bag 1 x English Manual