Specifications of the BWT20, BWT20S, BWT21 Laser Welding Guns
| QBH/RD | Laser Connection Type |
| 2000/2500W | Power |
| 50/40MM |
Collimating Lens Focal Length |
| 150MM | Focusing Lens Focal Length |
| 9MM | Optical Aperture |
| Circular | Laser Weld Shape |
| 0-5MM | Weld Width (BWT20, BWT20S) |
| 12 -0-5MM 0.1 | Weld Width (BWT21) |
| 0-30HZ | Lens Scan Frequency |
| 0.85KG | Weight (BWT20, BWT20S) |
| 0.75KG | Weight (BWT21) |
