Eufy Flood and Freeze Sensor E20

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 Detection for Flooding and Freezing: Monitors for water leaks and freezing temperatures (below 39.2℉ / 4°C) to deliver comprehensive protection. 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. Powerful 75 dB Local Alarm: When a leak is detected, a 75 dB alarm is activated to help quickly locate and identify the issue. Long-Lasting 5-Year Battery Life: The 1,400mAh large-capacity CR123A battery lasts longer, so you don't have to replace it frequently.