Complaint
| Model | H40M |
| Measuring Range | 0.05-40M |
| Case of Meters | Plastic covered with rubber |
| Screen | White screen with black letter |
| Measuring Accuracy | 1.5mm |
| Laser wavelength and power | 620-690nm,<1mw |
| Size of meter/package | 12 x 5 x 3 cm / 19 x 13 x 6 cm |
| Weight of meter/package | 60 g / 222 g |
| Level Measuring | No Air bulb |
| Distance | Yes |
| Area | Yes |
| Volume | Yes |
| Pythagorean Calculation | Yes |
| Plus and Minus | Yes |
| Scan(Max/Min) | Yes |
| Historical data record | Yes |
| M/Yd Switch | Yes |
