For Alpha One MR, R, Tilt/Trim Limit Limiter Sensor Part Number 805320A03 805129A3 805130A2 Fit For the Following This Trim Sender Kit fits the following models: -I R MR Alpha One Alpha One Gen II drives Colour: Black material: plastic Package Contents: 2*Trim transmitter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.