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HENDUN

Hendun Power Failure Alarm ,Gfci Circuit Failed Dector Alerter

✅ In stock
D
Grade
😐 Weak Deal
44.32/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$18.99
Listed $33.99
Save $15.00 44% OFF
Analysis Confidence 100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 28, 2026 10:22 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

😐 Weak Deal
  • 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
  • 💰At 13% off its standard going rate, this offer delivers clear value for the money.
  • 🏷️The retail sticker price has been slashed by 44% — a steep markdown from the official listing.
  • 📉Going back roughly eight months, a more competitive price has not appeared — this stands out as a strong value by recent standards.
  • ➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 14.17/28
Recent Value 0.98/22
Market Standing 12.17/20
Deal Strength 13/20
Momentum 4/10

📝 Product Overview

🏪 Sold by Hendun
📦 Fulfillment Fulfilled by Amazon
🚚 Shipping Free Shipping

Product Details

✓Simple and Easy Installation: Just plug in the power outage alarm into any 100-240V socket or power cable and easily monitor the power supply to your basement freezer, fridge, pump, oxygen generator, CPAP, or aquarium
✓Multiple Alarm Methods: Accompanied by a 108 dB noise alert and a bright tri-color flashing light with various adjustable tones and volumes to ensure you are notified of power issues
✓Voltage Abnormality Monitoring: Features an LED strip to indicate the voltage status where green indicates normal voltage, red indicates high voltage, and blue indicates low voltage
✓Battery Powered Operation: Uses 3 AAA batteries (not included) with 2 years standby time and 72 hours continuous alarm capability, with items featuring built-in rechargeable batteries available under B0BFNSHH65
✓Cost-Effective Protection: The 110v or 220v circuit tester reduces losses when you experience power outages, surges, or electrical accidents by providing immediate alerts
✓Versatile Monitoring Applications: Monitor power supply to critical appliances including sump pumps, refrigerators, freezers, CPAP machines, oxygen concentrators, dehumidifiers, and automatic feeders to prevent property damage and equipment failure

⚙️ Specifications

Color
Blue,Green,Red
Brand
HENDUN
Power Source
Battery Powered
Compatible Devices
[Inferred] Devices mentioned in product description
Product Dimensions
2.3"L x 2.3"W x 2.8"H
Battery Description
Alkaline
Voltage
240 volts
Control Method
Touch
Noise Level
108 Decibels
Mounting Type
Tabletop Mount
Sensor Technology
Voltage Sensor
D
$18.99
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