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Carefree Fish Aquarium USB Thermometer Rechargeable Cordless Human Sensor Switch Fish Tank Thermometer Overtemperature Sound Alarm ±1℉（Power Adapter and Charging Cable not Included）
✅ In stock
⭐ Lowest price we've tracked
F
Grade
Analysis Confidence
100%
Price verified Sep 29, 2026 4:24 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The price is modestly below what this product ordinarily sells for.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
1.71/20
Deal Strength
20/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Carefree Fish
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Easy to install, cordless: installed on the outside of the fish tank.Notice:Charge 2 hours before use.
✓Accurate temperature measurement: ±1℉
✓Infrared sensing: When the human body goes to a distance of 2 meters, the thermometer will automatically light up, easy to read, usually keep out state, has saved electricity.
✓Overtemperature audible alarm: Below 65 ° F, above 90 ° F, the thermometer will emit a beep alarm.
✓Low battery alarm: When the battery is low, the battery sign will appear and flash to remind you that the battery needs to be replaced.
⚙️ Specifications
Brand
Carefree Fish
Special Feature
Alarm, Low Battery Indicator, Non-Contact
Color
Black
Age Range (Description)
Adult
Included Components
1 USB Thermometer
Outer Material
Plastic
Display Type
Digital
Connectivity Technology
Usb
Product Care Instructions
Wipe Clean
Unit Count
1 Count
Power Source
Battery Powered