This is a pair of Robart 90° Electric Main Retracts with Control Unit.
FEATURES: Designed for RC aircraft weighing up to 24lbs (10.9kg) taking off from grass or paved runways Constructed with heat treated aluminum alloy frames and trunions Available for use with any 7/16" or 1/2" diameter RoboStrut Steerable Electric retract control unit may be operated from any battery type with 4.8-9.0 volts (6.0V and above is highly recommended) Amp-Out circuitry shuts off motor if an obstruction is detected
INCLUDES: Two 90° Electric Main Retracts, with Wire Leads and Connectors, Control Unit and Instructions