ANENG High Precision Digital Display Angle Ruler, Model:Plastic

1. 2-in-1 digital angle ruler for linear length and 0 to 360 degrees full-range angle measurement, with dual metric & imperial scales to measure inner and outer angles freely.2. High-definition LCD screen shows real-time angle readings. Features ZERO reset, HOLD data lock, and a locking knob to fix angle position stably.3. Built-in battery offers long-lasting performance. Auto power off after 6 minutes of inactivity. A hanging hole is designed for tidy storage, and the scale marking is wear-resistant.4. Stable pivot structure with smooth rotation and rigid anti-bending ruler body, ideal for woodworking, tiling decoration, drafting and teaching use.5. Simple operation for marking lines, right angle inspection and slope calculation, widely used in home renovation, manual craft, student drawing and rehabilitation angle detection.6. Battery: Model CR01 - Built-in CR2032 3V button cell; Model RC02 - Built-in 90mAh 3.7V lithium battery.