YASONG 0–8m Volume and Tone Remote Control for Compatible Alarm Sirens, Adjustable Sound Remote Featured collection and the remote uses a

and the remote uses a 12V27A alkaline battery

0–120dB adjustable sound for different site needs

This product is intended as an accessory microphone for compatible ship broadcasting or marine intercom systems

This model works by dry contact signal activation: when an external device sends a voltage-free switch signal

YASONG 0–8m Volume and Tone Remote Control for Compatible Alarm Sirens, Adjustable Sound Remote Featured collection and the remote uses aThe YASONG adjustable volume and tone remote control is an alarm siren accessory designed for compatible YASONG alarm sirens that support remote sound adjustment. This remote control is used to adjust the volume and tone of the matched alarm siren. The listed remote control distance is 08m, making it suitable for close range sound setting before or during use. Adjusts alarm volume on compatible sirens Adjusts alarm tone for different warning needs 08m