Product features:
                     1. Display mode: Red Nixie tube, LCD backlight, double-sided display
                       2. Main functions: zero setting, peeling, accumulation, and automatic zero tracking;
              3. Number of buttons: 16, 24 (4 unit price storage keys)

4. Power supply: AC/DC dual-purpose;
                                 5. Power saving: After 2 minutes, the machine automatically enters the state of low power consumption and energy saving with built-in rechargeable battery, which can be used when charging. Super power saving, long standby time one charge, normal standby for more than 2 months.
6. Automatic shutdown due to insufficient voltage;
        7. Standard RS232 communication interface (optional);
   8. Working temperature: 0℃ ~ 40℃
9. Working humidity: ≤ 90%RH
                               10. Operating voltage: AC220V(-15% ~ + 10%)50Hz 110V DC6V4

11. The metal shell is durable