1. ON/OFF Switch
2.O persent Switch: Degree and percentage of slope in conversion.
3. Calibrate: Absolute and relative measurements conversion
4. HOLD: Data hold
5.Runs on by 3V CR2032 batteries
Contact: Paul Lee
Phone: +86 170 9776 9619
Tel: +86 400 884 1889 / 0579-87301889
Email: sales@prdro.com
Add: No. 618, Tongan Rd, Changcheng industrial Zone, Yongkang, Zhejiang, China