220V Power Cut Failure Alerter LED for Smart 120db Outage Alarm Warning Siren 9V (Not Included) CN Plu Power Outage Alarm 110v
$4.72
Description
★ Power out/ failure alarm with led.★ The siren alarms when the power supply is cut off until power.★ The siren could be munual silenced by on/off switch.★ With indicates the power condition.★ resistant design, works fine even when grid voltage exceeds bid
