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. 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.