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?		Where can I use the smartsign? Apply to any surface, that on occasion, radiates a potentially dangerous heat. DO NOT apply to skin or food. Especially beneficial in areas with children, the elderly and people with slow reactions / disabilities, because of their higher risk to burn injuries. The sign's life will be greatly reduced if exposed to temperatures outside the range of -30°C to +90°C and/or direct UV light.

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