LED Mixer -07

Light on without battery, Automatical changing color, or Color changing with Temperature detectable
1. No battery needed, Operated by Hydroelectric Power
2. When water flows down, the LED will light instantly and automatically;
A. When water temperature is ≤ 30° C, blue color will show automatically;
B. When water temperature is between 30° C~40° C, green color will show automatically;
C. When water temperature is between 40° C~50° C, red color will show automatically;

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