Monitor temperature and humidity without the need for power outlet access. The Spook Node SEM-02 is manufactured by Geist Manufacturing and is Power over Ethernet (PoE) enabled to capture environmental conditions and report via a GUI interface. 

The SEM-02 is ideal for basic climate monitoring in tight installations. 

For a summary comparison chart of the various monitoring devices go here.

Why not try Spook's leading managed monitoring service - for a free trial go here.

Please note that this device does not support external sensors or expansion units.