| Item | |
|---|---|
| Operating Temperature | 0°C ~ 40°C (32°F ~ 104°F) -10°C ~ 40°C (14°F ~ 104°F) [Approval Model] | 
| Power Source | AC 110V/230V (±10%) + DC 6V/4Ah rechargeable battery | 
| Dimensions | HWH3 / RWH3: 260 × 210 × 117mm (W x H x D) TWH3: 280 × 220 × 117mm (W x H x D) | 
| Display | LCD 6 Digits; 25mm (Height); LED backlight |