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Heating & ventilation - Monitoring
Vents & Fans 9Heating 7Monitoring 3AC cooling 2
Nice way to measure all temperature and moisture zones in your wan. Cabin, fridge, inside and outside temperature same time on one display. Every sensor has its own small display too. The main unit also has a temperature and moisture sensor inside.
Simplest thermometer with wire sensor. Could be placed in a freezer, water tank, or outside. From -50 to +110 Celsius. Two batteries LR44 sold separateley