Complaint
| Model | B40M |
| 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 | 125X60X30mm/230X160X45mm |
| Weight of meter/package | 100g/270g |
| Carton package | 50pcs/13kg/610X370X250mm |
| 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 |
