... A. When water temperature is ≤32°C, Green color will show automatically;B. When water temperature is between ... 33°C~41°C, Blue color will show automatically;C. When water temperature is ... water temperature is above 46°C, Red color will flash immediately; 4.We are sincerely waiting for ... about our product, please contact us directly. it will be high appreciated 1. Payment Term: 30% deposit ...