This electronic switch is used to control the sequence of electric retract from your transmitter gear channel switch. It is a replacement control box for the JP Hobby electric retracts.  It will work with both sizes of the JP Hobby retracts. 

- Suitable for JP Hobby ER-150 electric retracts landing gear.

- Can be used for either JP Hobby bicycles or tricycles electric retract landing gears system.

- Input voltage: 7.4v to 8.4v (2S Li-Po)

​- Control Box Sizes: 53mm X 32mm X 10mm

​- Control Box Version: V2

​- Weight: 24g 

Remark:

V1: Opened gear doors when the landing gear is out        
V2: Closed gear doors when the landing gear is out