Marine Security Product Line: Top quality professional gear, built and selected for reliability and value. Marine DVR A standalone marinized DVR with 4 camera inputs and motion detecting. Marine Displays From Pilothouse to Submersible, sizes from 8.4" to 21.1"   Digital Security System. CruzPro manufactures a wide range of intelligent instruments, digital gauges, alarms and monitors designed for marine use. LA20B 105 dB Alarm Horn. External Multi Alarm with 8 amp light flashing circuit, connects up to five instruments to provide an amazing 105 dB alarm  Marine Cameras Ultra-high resolution digital video cameras with unique technology to outperform any others on the market.