1. MAX/MIN modes

2. Auto power off (cancelable)

3. 63 sets data storage

4. AC/DC analog signal output

5. Over/under range indication

6. Data hold, LCD backlight

7. Simulated analog bar

8. A (ear)/C (machine) weighting modes

9. Manual/auto range selectable

10. Fast/slow response rate (fast: 125ms, slow: 1s)

11. Powered by batteries or external power source