1. Water-touch switch, energy-saving & environment- protected.
2. Temperature detect switch for different color.
below 31 degree: blue color.
31 to 43 degree: green lights on.
43 to 50 degree: red lights on.
over 50 degree: the red lights flash frequency
3. Low input voltage: 6V. Safe and reliable.
4. LED driven by battery,and the battery span-life is about three
months, it is easily to change them when they are power off.
5. Certificate: CE approved