Professional installation and grounding are required
the LED warning light and buzzer operate together for a clear audible and visual warning effect
The wireless remote range is rated up to 500m / 0
It combines non-contact laser ranging with audible and visual warnings to help operators respond before equipment enters a preset risk zone
and USB voice upload in one integrated warning device
YASONG SLA-1502 90dB Power Outage & Phase Loss Alarm Light, AC220V/380V, LED Strobe, IP54, Battery Backup collection-solar-powered-alarms Professional installation and grounding areThe YASONG SLA 1502 is a power outage and phase loss alarm light designed to provide immediate audio and visual warning when an AC220V or AC380V power supply fails, loses a phase, has a broken wire, or is intentionally disconnected. When a monitored power abnormality occurs, the unit automatically activates a 90dB buzzer and LED strobe light. Its built in lithium battery provides backup power so the warning can continue after the main supply is lost.