Small and Lightweight: The H1 helicopter flight controller is lightweight, small, and compact. Easy to Install: The H1 flight controller adapter module is easy to install and requires no complicated procedures. Parameter Data: The RC H1 flight controller module's input voltage is 5‑8.4V, and the output voltage is 3.3V. Strong Practical Applicability: The H1 flight controller adapter module allows such receivers to be used normally on H1 flight controllers. Scope of Application: The RC helicopter flight controller is suitable for the H1 flight controller and is used to transfer DSM2/DSMX satellite receivers. Item Type: DSM2/DSMX Transmitter Material: Electronic Components Color: Black Input Voltage: 5-8.4V Output Voltage: 3.3V Applicable Receiver: DSM2/DSMX Satellite Module Size: Approx. 18 x 9mm / 0.7 x 0.4in Applicable: For H1 Flight Controllers Includes: 1 x DSM2/DSMX Transmitter Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!