| display | 4-Position 10mm LCD |
| Display range | 0HD~100HD |
| test range | 10HD~90HD |
| resolution | 0.1HD |
| Measurement Accuracy | ≤±1HD |
| Power Supply | 2 AA batteries |
| operating conditions | Temperature 0 ℃~ 50 ℃, Humidity < 80% |
| size | 176x63x25mm |
| Weight | 170G (excluding batteries) |
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;