| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
| Features | Red series | ||
| Model | LM520 | LM530 | LM550 |
| Laser type | Strengthen Red Cross Line | ||
| Wave Length | 635nm (Down to the point:650nm) | ||
| Laser power | <1mW | ||
| Laser class | CLASS ll | ||
| Laser line | 2 | 3 | 5 |
| Down to the point | Yes | ||
| Strength Points | Yes | ||
| Horizontal Accuracy | ±1mm/7m | ||
| Vertical Accuracy | ±1mm/7m | ||
| Down to the point Accuracy | ±0.5mm/1.5m | ||
| Emission angle | Vertical Line≥110°, Horizontal Line≥130° | ||
| Working distance | Indoor working radius: 10m; Use a laser detector, working radius: 50m | ||
| Working temperature | -10°C-45°C | ||
| Auto Self-leveling | Yes | ||
| Auto Self-leveling range | ±2.5° | ||
| Outdoor Mode | Yes | ||
| Battery | 3.7V Lithium polymer battery | ||
| Battery capacity | 1050mAh | 1800mAh | |
| Working time | About 6 hours (Laser light) | ||