Walkera HM4#3BDB Dual Brushless Micro Heli 2.4GHz Metal Upgrade RTF  [HM4#3BDB]

Refined micro heli handling with the Walkera HM4#3BDB

The Walkera HM4#3BDB 4#3B V3 is a compact RTF helicopter fitted with double brushless drives and reinforced metal parts. It is intended for pilots seeking a reliable, responsive micro heli for precision flying and practice sessions.

2.4GHz link and onboard gyro

The Walkera HM4#3BDB uses 2.4GHz transmission to provide consistent control with minimal interference and straightforward binding. The integrated gyro helps maintain steady orientation during tight hover and transitions.

Durable flight hardware

Machined parts such as the CNC rotor head and a 90-degree swashplate give repeatable feel and accuracy. Together with the WK-WS-12-003 motor, the setup commonly achieves 7 to 9 minutes of flight per charge under typical use.

Designed for nimble practice

With a main rotor of 202 mm and a light all-up weight of 48 grams, the Walkera HM4#3BDB responds quickly to stick inputs while remaining manageable for pilots refining posture and control. The WK-2401 transmitter is simple to use and gives reliable feedback.

The Walkera HM4#3BDB suits enthusiasts who want a compact, sturdy platform to practise precision flying or to use as a dependable trainer for developing stick skills.