Automatic 220V Power Failure Alarm White 120db LED Power Cut Failure Outage Automatic Alarm Waring Siren IndicatorPower out/ failure alarm with led indicatorThe siren alarms when the power supply is cut off until restore powerThe siren could be munual silenced by on/off switchWith indicator indicates the power conditionHigh voltage resistant design, works fine even when grid voltage exceeds bidDrawer cell cover design, can easily change the batteryUsing method: connect the alarm with 220V power, turn on the power switchSize: 10 x 5.3 x 2.5cm(approx)Cable Length: 85cm (approx)Alarm volume: 120dbPower: 9V battery (not included)Voltage: AC 220VColor: WhiteNote:Transition: 1cm=10mm=0.39inchNo retail package.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youPackage includes:power failure alarm x 1Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''t hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it