YASONG SLA-1501 120dB Power Outage & Power Recovered Alarm Siren, IP65, LED Strobe, Rechargeable Battery Color:Three phase three wire AC380V A built-in 5Ah backup battery

A built-in 5Ah backup battery helps maintain alarm capability when backup power is needed

The YASONG SLA-01W1 is a timed motion activated alarm siren with a 0–120dB adjustable loud horn

construction sites and other high-noise areas

Please confirm the vehicle voltage and mounting surface before use

lifting machinery

YASONG SLA-1501 120dB Power Outage & Power Recovered Alarm Siren, IP65, LED Strobe, Rechargeable Battery Color:Three phase three wire AC380V A built-in 5Ah backup batteryThe YASONG SLA 1501 power outage alarm siren combines a 120dB adjustable horn, LED strobe warning light and built in rechargeable lithium battery for farms, fish ponds, banks, substations, telecom rooms, hospitals and security areas. This model supports power failure alarm and power recovered alarm modes, selected by the bottom switch. When a power failure or phase loss occurs, the siren sounds and the LED strobe flashes to provide a clear warning.