Saw this whilst doing my shopping....I thought it was an absolute bargain for £1!!!!
It was at the end of an isle with a lot of other £1 items (like tools/skipping ropes etc). There were loads at my local asda.
Digital Thermometer with fast response and alarm signal (item no. on reciept 506014803333).
Accuracy +/- 0.1'c
Written on the back: