This works quite well and had given me an indication as to temperature variations in a room. I wanted to know if our storage heaters were heating while they filled up at night. In fact I found they spike at 2..30 pm every day (up to 34 degrees C!). All happens in a quarter of an hour. Some feedback to the manufacturer would be that it would be great if you could go back looking at the 24hr history ie different days. It only showz the last 24 hours on a rolling basis. You also need to show todays date so you know you are looking at the last 24 hours. Also it would be good if you could scroll the graphs to expand them to look at variations in a bigger scale. Thanks.
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Low quality high price
Verified purchase: Yes | Condition: New
good
Verified purchase: Yes | Condition: New
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