Gellvann Digital Freezer Fridge Thermometer with LED Alarm, Max/Min Recording, Magnetic Stand for Kitchen Home - Grey

Purchased to give an “ at a glance” readout of the temperature of the freezer in our garage which stores dog food.Great value, easy to install, easy to read. Does the job perfectly.

Unlike other thermometers I've had for the freezer, the remote probe (on a 1 metre wire) allows continuous monitoring with having to open the door and remove any frost from the read-out. I calibrated mine with a water/ice mixture and it seems to be accurate to within less than half a degree Celsius.The Max/Min function is great as it shows the range of temperatures that occur when the freezer compressor cycles between on and off. The air temperature in both my freezers swings between -18 and -24 C, while the means temperature in packed food hovers around -20 C.I have another thermometer that has to be placed inside the freezer, but it is far less convenient as I have to open the door to read it, and I never know exactly where it is in the temperature cycle when I read it.

Mine is a little out of calibration - indicates 3 degrees low on the OUT sensor.Instructions are really poor.I wanted to use as a Freezer Alarm - alarm sounds if freezer temperature rises above, say, -10C.Put outside sensor into freezer.Select OUT.Press and hold ALM until 1st set temp flashes.Use the ADJ button on the rear to step the 1st set temp until it shows -10C (in my case) - need to step right through until it rolls over to -54, etc.Press ALM so the 2nd set temp flashes - it is 4C by default so I left it that, but it can be adjusted in the same way by pressing ADJ on the rear.Press ALM again to exit setup.The alarm will bleep and LED flashes when the temperature is between -10 and +4 in the above example.If you set the 2nd temp LOWER than the 1st, the alarm bleeps when lower than the 2nd and higher than the 1st (i.e. there is no alarm between the two temperature settings).NOTE: The alarm is NOT continuous. It bleeps for a few seconds every 100 seconds or so when in the alarm temperature ranges. (I thought I had a dud until I realised this.)

Bought this for our chest freezer to keep check on the temperatureThe digital read out is easy to read and from a short distance it catches your eye for a quick check.The flex is just the right length to place at eye levelEasy to set and works exactly as required.Would recommend

Instructions very confusing, and in poor English. I bought this to test whether my freezer is reliable, and after monitoring with this thermometer for several weeks, I still have no idea if it is or not

Very Chinese, instructions for use need interpreting.

It works well

Nice little freezer temperature gauge, I have one for my freezer and one for my fridge. When on room temperature only 1/2 a degree differents