1/2" Diameter struts specifically design for the H9 P-47
High quality stainless steel upper strut and aircraft grade aluminum lower struts
Built-in Electronics (No external controller)
Low power consumption (No separate battery required) Smart Sense position detection technology
Each retract is independently reversible
Each retract has built-in selectable 4 second delay
Auto lock power-up
Shock & vibration isolated micro printed circuit board
Easy installation, plugs directly into reciever
All metal gearbox and drive train
Two over current protection
Scale like retracts speed
1 Year Limited Warranty
30 Day Money Back Guarantee