ACR URC-102 Master Controller f/RCL-50 RCL-100 Searchlight [1927.3]Master Controller for ACR RCL 50 and RCL 100 Searchlights Electronic helm controller operates RCL 50 and RCL 100 marine searchlights with ON OFF, rotation speed adjustment, and XRCiZ auto return. Simplifies night navigation and device control on 12 24V boats. Manages ON OFF and rotation speed for precise searchlight aiming during low visibility conditions. Supports XRCiZ feature to automatically return the beam to forward facing position when