Net Weight: 169g.

Size: 22cm x 8cm x 5cm.
No battery is needed;
Three Colors.
Brightness is such enough even no other lighting fixtures need. The LED color will change gradually and automatically;
This item will change its color by detecting water temperature.
The change of LED color will not be subject to the temperature of water.
When water flows down, the LED will light instantly and automatically.
(1)When water temperature is lower 32°C, Green color will show automatically.
(2)When water temperature is between 33°C~41°C, Blue color will show automatically.
(3)When water temperature is between 42°C~45°C, Red color will show automatically.
(4)When water temperature is above 46°C, Red color will flash immediately.