Scanstrut APT-LB-01-BLK PowerTower Center Mounted Light Bar - Black [APT-LB-01-BLK] Communication | Loud Hailers In addition the SP-120 has

In addition the SP-120 has to be connected to a drive unit which controls the rudder actuator system in order to complete the full autopilot system

one fully-proportional basic panel and one fully-proportional panel with lock-function

Ignition protected (conforming to SAE J1171)- safe for installation aboard gasoline powered boats

Dual Circuit Plus Battery Switch isolates engine and house circuits

48 Volts DC Bus Material Tin-Plated Copper CDA 110/UNS11000 Base Material Glass Reinforced Polycarbonate Cover Material Polycarbonate Studs Stainless Steel

Scanstrut APT-LB-01-BLK PowerTower Center Mounted Light Bar - Black [APT-LB-01-BLK] Communication | Loud Hailers In addition the SP-120 hasAPT LB 01 BLK PowerTower Center Mounted Light Bar Black Installs navigation lights above the antenna for maximum visibility and performance. Compatible with: Scanstrut aft leaning PowerTower radar mounts Features: All mounting holes predrilled for easy retrofit installation, attach using mounting bolts, no extra fastenings required Cables run internally via a watertight seal Technical Specifications: Material Aluminum Height 25. 4" (404mm) Mount