Video showing how to work of the water sensor switch,
it is same function for all our others shape flashing cup ( water sensor switch ) .
1. When pouring liquids such as water or wine, the indicator light will be on; if there is no liquid, the indicator light will automatically turn off
2. The bottom is easy to replace the battery
3. Bottom waterproof grade IP65
4. Matters needing attention:
a. hand wash only
b. Do not immerse in water for a long time