The product appears to do the job I would want it to if I needed it and is small enough to go in my pocket. I was very impressed with the leaflet that came with it explaining the relevant legislation, that was reassuring. I was also impressed by the distance the product is supposed to travel (3m), but I obviously can't try this out without using it and I'm not going to waste it 'trying it out'. It seems very simple to use, just point and click. I shall let you know if I ever have cause to use it!
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