YASONG SLA-05CZ 130dB Button Control Alarm Siren, 45W, 12 Tones, IP65, USB Upload, Red LED Strobe Wireless remote control portable rechargeable alarm and the remote uses a

and the remote uses a CR2032 coin cell battery

and USB voice upload in one integrated warning device

so it does not require wiring

Sound and LED strobe warning for clear emergency alerts

12 built-in alarm tones and a LED strobe warning light for shops

YASONG SLA-05CZ 130dB Button Control Alarm Siren, 45W, 12 Tones, IP65, USB Upload, Red LED Strobe Wireless remote control portable rechargeable alarm and the remote uses aThe YASONG SLA 05CZ one button alarm siren combines a 0130dB adjustable horn with a red LED strobe warning light for homes, factories, mines, schools, ports and outdoor warning areas. This model works by button control box operation: after the siren wires and button box wires are connected, the siren stays in standby when powered on. Press any button to start all linked alarms, and press any button again to stop them. One button linkage control for