Bennett Trim Tabs Pro Sensor Kit AutoTrim. AutoTrim Pro (ATP) requires the presence of actuator sensor wires in order to display trim tab position indication LEDs (although all other ATP features will function without sensors). Requires the presence of actuator sensor wires in order to display trim tab position indication LED. Specifications for Bennett Trim Tabs AutoTrim Pro Sensor Kit: Manufacturer: Bennett Trim Tabs Color: Black Features of Bennett Trim Tabs AutoTrim Pro Sensor Kit Adds a tab position indication functionality to classic hydraulic systems currently without indication capabilities Requires the presence of actuator sensor wires in order to display trim tab position indication LED Fits A1101A or A1200S actuators with 1" piston shaft showing Refer to manufacturer recommendations and guidelines to ensure a proper fit Package Contents: Bennett Trim Tabs AutoTrim Pro Sensor Kit Bennett Trim Tabs ATPSENSTD: Pro Sensor Kit AutoTrim