TrollMaster TM213DPRO3 TrollMaster Pro3 Throttle and Steering Control - Mercury 8 & 9.9 Tiller PRO Hand held or panel mount controller with water resistant LCD display Momentary full throttle burst control Engine specific hardware fits neatly under cowling Works with all Panther brand Electro Steer units 1-year warranty Hand held or panel mount controller with water resistant LCD display Momentary full throttle burst control Engine specific hardware fits neatly under cowling Works with all Panther brand electro steer units