The W420 features an all-new airframe structure with a quick-release water tank and battery design. It employs a front-and-rear folding quadcopter configuration, a front-mounted dual-pump split-flow quick-release module, obstacle avoidance radar, and ground collision avoidance radar.

Equipped with a front-mounted FPV camera for first-person view, it delivers powerful performance. Its lightweight construction, compact size, and high payload capacity make it highly portable and versatile for field operations.

Water tank maximum payload capacity: 21L. Spray tank maximum effective capacity: 25L. Supports interchangeable spray nozzles for spraying operations.