Does this device have an alert when the batteries need to be replaced?

Thank you very much for your interest in our HENDUN power failure alarms. It has a low voltage alert function. Beeps “Du-Du” sound every 30 minutes when battery-voltage is lower than 3.6V. Please change the batteries in time or use rechargeable batteries.

How does this plug into "any 240v outlet" when 240v has a different prong configuration. Is an adapter included?

Thank you very much for your interest in HENDUN power failure alarm. The plug of the alarm is shown in the video. If it can't plug into 240V outlet directly, please use it after plugging in the converter on 240V outlet first. The adapter is not included. Thanks again.

Will this alert your phone, if outlet trips?

Thank you very much for your interest in HENDUN power failure alarm. When the outlet trips, only the local alert will be sent, and the mobile phone cannot receive the alert.

It states the working temperature is from -23f - about 15f. texas garages can be over 100f in the summer time. what is the real working temperature?

Thank you very much for your interest in our blackout alarms. Because of our mistake, the working temperature was described wrongly, it should be: 14 ~ 140℉

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Hendun Upgraded Power Failure Alarm, Gfci Circuit Failed Dector Alerter, Smart Outage Reminder For Freezer In Garage, Monitor Cut Of Cpap, Breaker And Gfi/Gfci Trip Alarm

Hendun Upgraded Power Failure Alarm, Gfci Circuit Failed Dector Alerter, Smart Outage Reminder For Freezer In Garage, Monitor Cut Of Cpap, Breaker And Gfi/Gfci Trip Alarm

Product ID: 565063128

Details

Brand
HENDUN
Colour
Blue Green Red
Compatible devices
[Inferred] in
Power source
Battery
Product dimensions
5.8L x 5.8W x

⚡100-240V universal plug-in

🌈Tri-color LED voltage indicator

🔊108 dB loud alarm

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R1001

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Description

⚡ Stay powered, stay protected — never miss a beat with Hendun’s smart outage alert!

MULTI DEVICE PROTECTION - Safeguards freezers, sump pumps, CPAP machines, and GFCI outlets from power failures.
ENERGY SAVING INVESTMENT - Prevents costly food spoilage and equipment damage during outages and surges.
SMART VOLTAGE MONITORING - Tri-color LED clearly signals normal, high, or low voltage status at a glance.
INSTANT HIGH DECIBEL ALERT - 108 dB alarm wakes you from deep sleep or alerts neighbors instantly.
UNIVERSAL VOLTAGE COMPATIBILITY - Works seamlessly with any 100-240V outlet for versatile home use.

The Hendun Upgraded Power Failure Alarm is a compact, plug-in device that monitors power supply across 100-240V outlets. Featuring a piercing 108 dB alarm and tri-color LED voltage indicators, it instantly notifies you of outages, voltage irregularities, or GFCI trips. Ideal for safeguarding freezers, CPAP machines, sump pumps, and more, it’s a smart, economical solution to prevent costly losses from unexpected power failures.

Specifications

ASIN	B0BFPJKZXG
ASIN	B0BFPJKZXG
Audible Noise	108 Decibels
Batteries	3 AA batteries required.
Battery Description	Alkaline
Best Sellers Rank	#90,202 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #132 in Circuit Testers
Brand	HENDUN
Built-In Media	Detector
Color	Blue,Green,Red
Compatible Devices	[Inferred] Devices mentioned in product description
Control Method	Touch
Customer Reviews	4.6 4.6 out of 5 stars (332)
Customer reviews	4.6 4.6 out of 5 stars (332)
Date First Available	24 July 2023
Item Dimensions L x W x H	5.8L x 5.8W x 7.1H centimeters
Item Type Name	indoor
Item model number	hnfpa
Manufacturer	Changzhou Hengdun Electronic Technology Co Ltd
Manufacturer	Changzhou Hengdun Electronic Technology Co Ltd
Model Number	hnfpa
Mounting Type	Tabletop Mount
Number of Batteries	3 AA batteries required.
Power Source	Battery Powered
Product Dimensions	5.84 x 5.84 x 7.11 cm; 91 g
Sensor Technology	Voltage Sensor
Size	2.3 inches x 2.3 inches x 2.8 inches
Smart Home Compatibility	Not Smart Home Compatible
Unit Count	1.0 Count
Voltage	240 Volts

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R1001

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In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

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