diff --git a/include/PSUSensor.hpp b/include/PSUSensor.hpp
index 4c31989..102fe63 100644
--- a/include/PSUSensor.hpp
+++ b/include/PSUSensor.hpp
@@ -30,10 +30,14 @@
     boost::asio::deadline_timer waitTimer;
     std::shared_ptr<boost::asio::streambuf> readBuf;
     std::string path;
+    std::string pathRatedMin;
+    std::string pathRatedMax;
     size_t errCount;
     unsigned int sensorFactor;
+    uint8_t minMaxReadCounter;
     void handleResponse(const boost::system::error_code& err);
     void checkThresholds(void) override;
+    void updateMinMaxValues(void);
 
     int fd;
     static constexpr unsigned int sensorPollMs = 1000;