Answer
May 24, 2025 - 09:58 AM
The Shelly 1 and Shelly 1PM are both smart relay switches, but they have some key differences. The Shelly 1PM includes power monitoring capabilities, allowing it to measure and report the energy consumption of connected devices, which the Shelly 1 lacks. Additionally, the Shelly 1PM has a built-in over-temperature and over-power protection feature, enhancing safety compared to the Shelly 1.
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