YASONG SLA-01HZ 120dB Button Control Alarm Siren, 25W, IP65, USB Upload, LED Strobe, One-Button Linkage Portable Alarms 0–130dB adjustable volume for different

0–130dB adjustable volume for different site noise levels

It supports multiple voltage options and requires wiring before use

so vehicle power compatibility should be confirmed before use

This kit works through a dry contact alarm output

YASONG SLA-01HZ 120dB Button Control Alarm Siren, 25W, IP65, USB Upload, LED Strobe, One-Button Linkage Portable Alarms 0–130dB adjustable volume for differentThe YASONG SLA 01HZ button control alarm siren combines a 0120dB adjustable horn with a red LED strobe warning light for schools, factories, farms and outdoor security areas. This model works by one button linkage control: after the siren and button box are wired and powered on, pressing any button starts all connected sirens, and pressing any button again stops the alarms. Button control box for simple alarm on off operation 0120dB adjustable volume