YASONG SLA-05CZ 130dB Button Control Alarm Siren, 45W, 12 Tones, IP65, USB Upload, Red LED Strobe Wi-Fi Network Alarm Systems & Sirens This model provides 0–130dB adjustable

This model provides 0–130dB adjustable sound and 12 selectable tones

This model uses a built-in 2600mAh lithium battery and can be charged by AC100–240V power

traffic control areas and mechanical equipment

3 levels of adjustable volume for different use situations

YASONG SLA-05CZ 130dB Button Control Alarm Siren, 45W, 12 Tones, IP65, USB Upload, Red LED Strobe Wi-Fi Network Alarm Systems & Sirens This model provides 0–130dB adjustableThe 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