questions & answers Please click on the questions below to view the answers. How does it work? Where can I use the smartsign? How many heat cycles can it withstand? At what temperature does the smartsign display 'HOT'? How long will the smartsign last? How do I clean the sign? Are the graphics to a certain standard? Why should I not use the smartsign in areas of high UV? What temperature range does the smartsign work in? Does the smartsign include instructions?		Why should I not use the smartsign in areas of high UV? The smartsign incorporates a temperature sensitive indicator that incorporates thermochromic technology; this is damaged when exposed to UV light.

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