YASONG YS-3 Handheld Microphone for Ship Public Address Remote Station, Marine Intercom Accessory Wireless Remote Control Alarm The wireless remote range is

The wireless remote range is rated up to 500m / 0

5Ah backup battery for added power continuity

The YASONG SLA-900MY-500 is a high-power wireless remote control alarm siren with a 0–130dB adjustable loud horn

so it does not require wiring

Battery-powered design with 4 AA batteries

YASONG YS-3 Handheld Microphone for Ship Public Address Remote Station, Marine Intercom Accessory Wireless Remote Control Alarm The wireless remote range isThe YASONG YS 3 is a handheld microphone accessory for ship public address remote control stations and marine communication alarm equipment. This product is intended as an accessory microphone for compatible ship broadcasting or marine intercom systems. The product page identifies it as Only Microphone, so the mainframe or public address control station is not included. YS 3 handheld microphone for marine communication equipment Designed for ship