Standard VLH3000A 30W Hailer

Standard Horizon VLH3000A 30 Watt Loud Hailer Model: VLH3000A 30W PA/Hailer output with Listen Back Dual Zone - Forward, Aft or Both 6 Preprogrammed Fog Signals: Underway, Stop, Sail, Tow, Anchor and Aground Horn and Siren Noise canceling microphone with dedicated CALL, IC1 and IC2 keys Compatible with MLS-300 and MLS-310 (10W amplified) external audio speakers Compatible with optional MLS-300i intercom speaker with Push-to Alert button for IC1 and IC2 Flush Mount capable with optional MMB-84 Adjustable Backlight