Rechargeable battery farm 220V power outage power outage incoming call sound and light alarm home adjustable volume size

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220v power failure 360 degree sound and light alarm about 110 dB
220v incoming call + blackout 360 degree sound and light alarm about 110 dB
220v power off + incoming black speaker inside the lithium battery about 127 dB
220v power off + incoming call alarm red light + black horn double alarm over 127 decibels
Direct wiring 220v power failure 360 degree sound and light alarm about 110 dB
380v three-phase power failure phase loss alarm. Black speaker Lithium battery automatically recharges
Wired version 220v power failure alarm black speaker inside the lithium battery

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Color classification:: 220v power failure 360 degree sound and light alarm 220v incoming call + blackout 360 degree sound and light alarm 220v power off + incoming black speaker lithium battery 220v power off + incoming call alarm red light + black speaker direct wiring 220v power outage 360 degree sound and light alarm 380v three-phase blackout phase absence alarm. Black horn wiring model 220v power failure alarm black speaker inside the lithium battery