KWT-Z4W is a professional foldable quadrotor drone independently created by Shenzhen Keweitai Enterprise Development Co., Ltd (also named Alltech). Equipped with day and night dual-light gimbal and wireless high-definition image transmission system, it supports multiple functions such as manual precise control and autonomous route planning and flight, cluster operations as relay or operating drone with one ground station.
It features long battery life and good wind resistance and can be widely used in danger detection, technical investigation, border inspection, search and rescue, road monitoring, power inspection, forest fire prevention, earthquake relief and other fields.



| FEATURES | |
| Diagonal wheelbase | 310 ±10 mm |
| Expand size | 252x258x102 mm |
| Storage size | 180x98x102 mm |
| Takeoff weight | 489 ±10 g |
| Standard payload hovering time | 35 min |
| Covering distance | 15 Km |
| Vertical hover accuracy | ±3 m |
| Horizontal hover accuracy | ±3 m |
| Max flight speed | 15 m/s |
| Maximum climbing speed | 4 m/s |
| Maximum descent rate | 2 m/s |
| Max wind tolerance | 8.0 – 10.7 m/s |
| Working temperature | -25 °C ∼ +55 °C |
| Storage temperature | -40 °C ∼ +60 °C |
| Humidity | ≥95% (40 °C) |
| Maximum take-off altitude | 4500 m |
| Frequency range | 2.4 GHz / 1.4 GHz |
| GCS control distance | Omni antenna: ≥ 3 Km (visual without interference) Directional antenna: ≥ 6 Km (visual without interference) |