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TechGear
Real discussions from product enthusiasts
False 'Open' Alerts Reported by Users
Some users have experienced instances where the eufy Entry Sensor E20 falsely reports doors as open, even when physically closed and locked. While these issues do not appear to indicate a sensor failure, as they still function correctly when doors are genuinely opened, re-adding the sensor has been a temporary workaround.
E20 Lacks Features Found in Older Sensors
Discussions indicate the eufy Entry Sensor E20 omits certain features present in previous generations, such as audible 'chirp' tones and 'door left open' notifications. This has led to user questions about whether the E20 represents a functional upgrade or a reduction in capabilities compared to older models.
Security Bypass Concerns Raised by Community
Users have discussed potential security vulnerabilities, including the possibility of tricking the sensor with strong external magnets. Concerns were also raised about the sensor's accessibility and methods of disabling it, with one user expressing significant dissatisfaction with the eufy system's perceived security.
Long-Range Communication and Battery Life Praised
The eufy Entry Sensor E20 receives positive feedback for its convenient bypass button and impressive communication range, extending up to 656 ft (200 m) using Sub-1G wireless technology for better signal penetration. The extended 5-year battery life is also highlighted as a significant advantage, reducing maintenance requirements.
Expert answers based on real user experience
Users have noted occasional false 'open' notifications. This can occur due to minor environmental shifts affecting sensor alignment or potential software interpretation within the eufy app, rather than a physical sensor failure. The sensor itself continues to function correctly when doors are genuinely opened and closed, and re-pairing the sensor can temporarily resolve these false positives. Ensure your HomeBase and app are updated to the latest versions for improved stability.
r/eufy_security
Unlike some previous eufy entry sensor models, the E20 does not natively feature audible 'chirp' tones or dedicated 'door left open' notifications directly from the sensor. Its primary function is to relay entry/exit events to a compatible HomeBase (e.g., HomeBase 3), which then triggers system alerts or automation rules via the eufy app. Advanced features like custom chime sounds require HomeBase 2, 3, or Mini and the eufy app v6.0.00+.
eufy Security
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Key features: Requires eufy 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., Dual-Side Detection: Supports both left and right-side installation for quick, error-free setup., Convenient Bypass Button: Simply press the bypass button to temporarily deactivate the sensor, allowing you to open the door without triggering an alarm. Your other sensors remain active., Long-Lasting 5-Year Battery Life: Features a CR123A battery with up to a 5-year lifespan, meaning less maintenance for you., Expansive Wireless Range with HomeBase: Provides a stable connection with HomeBase at open-air distances of up to 656 ft (200 m)..
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While the sensor is designed for a long-lasting CR123A battery with up to a 5-year lifespan, some users initially find separating the casing challenging. Community advice suggests using a small notch on the side or a non-marring pry tool to gently release the clips. Once open, the standard CR123A battery is easily accessible. This design ensures a secure fit but may require a specific technique for initial access.
r/eufy_security
The convenient bypass button allows users to temporarily deactivate the sensor without triggering an alarm, ideal for instances like bringing in groceries. This feature operates independently, allowing other sensors to remain active. The sensor communicates with compatible HomeBase units using a Sub-1G wireless protocol, offering a stable connection up to 656 ft (200 m) in open-air conditions, which provides better penetration through walls than standard Wi-Fi.
r/eufy_security
The eufy Entry Sensor E20 relies on a magnetic reed switch. A sufficiently strong magnet placed externally on a door or window could potentially hold the reed switch in a closed position, tricking the sensor into reporting a 'closed' state even when the door is ajar. The effectiveness depends on the magnet's gauss rating and its precise placement relative to the sensor's internal magnet. While this bypass is theoretically possible, the sensor's visible nature and the need for a strong, specifically positioned magnet make covert tampering challenging.
Expert Analysis
To ensure full functionality, the eufy Entry Sensor E20 requires specific firmware versions on compatible HomeBase units. These include 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). Users should verify their HomeBase firmware via the eufy app and update to the latest version for optimal performance and access to smart alert features via the eufy app (v6.0.00+).
Product Specifications & User Queries
