1. Display:4 digits, 10 mm LCD

2. With colour coded LEDs indication: Green LED represents a safe, air-dry state; Yellow LED represents a borderline State; Red LED represents a damp state.

3. Range: average 0~24%

4. Accuracy: ±0.5%n or ±0.5% Whichever is the greater

5. PC interface: RS232C interface (Cable and software is optional, not included)طوبة

6. Power supply: 4×1.5 AA A size (UM-4) battery

7. Power off: Manual off or Auto power off after 5 minutes from last key operation

8. Operating conditions: Temperature: 0~50°C; Humidity: below 90% RH