YASONG YS-3 Handheld Microphone for Ship Public Address Remote Station, Marine Intercom Accessory Wireless Remote Control Alarm 5Ah backup battery for added

5Ah backup battery for added power continuity

and the remote must be paired with the alarm before use

The YASONG adjustable volume and tone remote control is an alarm siren accessory designed for compatible YASONG alarm sirens that support remote sound adjustment

so it does not require wiring

IP54 weatherproof housing for outdoor use

YASONG YS-3 Handheld Microphone for Ship Public Address Remote Station, Marine Intercom Accessory Wireless Remote Control Alarm 5Ah backup battery for addedThe 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