2 Pack Power Failure Alarm and Power Back Alarm with Function Switchable, 0~120dB Adjustable Audible/Visual Monitor, Power Monitoring System Perfect for GFI/GFCI Trips, Freezer, Pump, Aquarium — Open-Box, 13% Off

TWO-IN-ONE FUNCTION: through the rocker can be freely switched between different functions, a product can realize two different functions (power failure alarm or power back alarm), convenient for you to use in different environments, compared to the need to buy two different functions of the product price is more cost-effective advantage.

ADJUSTABLE AUDIBLE/VISUAL ALARM: It has built-in replaceable 9V battery, oversized speaker and flash light, you can adjust the alarm volume by knob, the flash light is brighter and the alarm volume is louder compared with the traditional power failure alarm or power back alarm. (MAX volume: 120dB), you can easily receive the alarm both indoor and outdoor, fully protect your home security.

MORE PRACTICAL DESIGN: Compared with other alarms that can only be placed on low sockets, our product comes with a 2-meter extension cable, which allows you to mount the alarm as high as possible, and with the audible and visual alarms, the alarm message can be spread over a wider range. Meanwhile, the accessory includes an plug adapter, which is more friendly to users with limited plug holes, and it won't affect the surrounding plug-in space, leading an intimate use experience

WIDE APPLICATION: As a power failure alarm, it will easily monitor the power supply to your basement freezer, oxygengenerator, refrigerator, aquarium air pump, oven, oxygen machine, dehumidifier, etc. Meanwhile, as a power back alarm, it will help you know exactly when the utility power will be restored and turn off the generator in time to minimize the unnecessary power waste!

AFTER-SALES SERVICE: We are online in 7*24h, if you have any product problems, please feel free to contact us, we will provide you for prompt assistance or a replacement if needed

2 Pack Power Failure Alarm and Power Back Alarm