eufy ExpertSecure Flood and Freeze Sensor E20
The eufy ExpertSecure Flood and Freeze Sensor E20 helps protect your home from water leaks, flooding, and freezing temperatures. It detects water contact and alerts you through its built-in 75 dB alarm and connected eufy app, helping you respond quickly to potential water damage. The included 3.9 ft (1.2 m) extension probe makes it easier to monitor hard-to-reach areas under appliances and around pipes. With an IP54-rated design, up to five years of battery life, and wireless connectivity to a compatible eufy HomeBase, it offers reliable home monitoring with minimal maintenance.
Key Features
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Dual Detection for Flooding and Freezing: Monitors for water leaks and freezing temperatures (below 39.2℉ / 4°C) to deliver comprehensive protection.
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Extended Reach with Extension Cable: Includes a 3.9 ft (1.2 m) extension cable with a slim probe (< 0.2 in / 0.5 cm)—perfect for tight spaces under appliances.
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Powerful 75 dB Local Alarm: When a leak is detected, a 75 dB alarm is activated to help quickly locate and identify the issue.
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Long-Lasting 5-Year Battery Life: The 1,400mAh large-capacity CR123A battery lasts longer, so you don't have to replace it frequently.
- Requires a US version of HomeBase™ to operate: Compatible with HomeBase ™ Mini (v4.0.5.2 or above), HomeBase ™ 2 (v3.4.1.2 or above, released after 2021), HomeBase ™ 3 (v3.7.2.6 or above), and HomeBase ™ Pro (v4.1.4.3 or above). Ensure your HomeBase is updated to the latest version for optimal performance.
Specifications
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Specification
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Details
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Product Name
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eufy ExpertSecure Flood and Freeze Sensor E20
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Model
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E20 (T90F0)
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Product Type
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Flood and Freeze Sensor
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Detection
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Water leaks, flooding, and freezing temperatures
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Freeze Detection Threshold
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Below 39.2°F (4°C)
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Dimensions
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70.1 × 27.5 mm (diameter × height)
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Connectivity
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Sub-1 GHz wireless
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Communication Range
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Up to 656 ft (200 m) in open areas
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Audible Alarm
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75 dB at 10 cm
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Battery Type
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CR123A
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Battery Life
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Up to 5 years
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Water and Dust Resistance
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IP54
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Extension Probe
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3.9 ft (1.2 m)
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Temperature Accuracy
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±1°C (±1.8°F)
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Operating Temperature
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-10°C to 50°C (14°F to 122°F)
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Compatible Hub
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eufy HomeBase Mini, HomeBase 2, HomeBase 3, and HomeBase Professional S1, subject to regional compatibility and firmware requirements
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What's in the Box
1 x eufy Flood and Freeze Sensor E20 (CR123A battery pre-installed)
1 x Extension Probe
1 x 3M Adhesive
1 x Mounting Bracket (pre-installed)
1 x Set of Mounting Screws
1 x Quick Start Guide
