Turnigy Servoless Actuator for Gear Door (90-120 size) -  Lightweight servoless unit that is suited to both electronic servoless and air retract systems, can be operated via the Turnigy Retract/Gear Door sequencer (see related items below) for almost any configuration, comes with 2mm pushrod/ball-link (can be changed for different lengths if required) and 360 degree alloy mounting brackets.

Specs:
Operating Voltage: 4.8v~6v
Dimensions: 45mm x 16mm x 16mm
Throw: 15mm
Weight: 26g