This unit has 2 temperature sensors. With the In / Out sensors, 2 areas or 2 fridges or a fridge and a freezer can be checked at the same time.
The Min / Max memory lets you check the temperatures that the unit (eg: the fridge) has risen to since last read.1 inbuilt inside the unit and another sensor on a 3 meter wire. Use the remote wire sensor to monitor fridges or freezers.Inbuilt alarms that can tell you that the temp limits are exceeded. Inbuilt Memory so that you can see what the temperature got up to and down to during the weekend or overnight.
Wide temperature measuring range:Inbuilt sensor range measures from: -10 up to +50C and, Outer sensor (on the end of the cable) measures temperatures from -50 C up to +70C.
With magnetic and velcro mounting. The remote sensor has a sticky mount, suction cap and screw down mount inc.
Battery powered - Immune to power outs!