ST standard control unit with position indicator for flybridge control gauge on top 12/24v. Operating of tabs in manual. Top push-button-moves both trim tabs down so the bow moves down. The lower button will raise both trim tabs, so the bow moves up. Right button: starboard sides moves down. Left button: port-side moves down. Position of trim tabs are shown by LED-lights. Small and compact. Size of control unit is 90 x 90mm. Hole for mounting in instrument panel 75 x 75mm. Depth 60mm. Maximum current draw: 2 amps. Available colours: Black (in stock) or Grey (made to order). If you are replacing the older style LED or VU 120mm controller you will require Eltrim Adaptor Plate. As fitted to Sealine S and F series. Original Sealine OEM supplied product. BritBoatParts are official suppliers of all Eltrim products in the UK.