When the infrared sensor module detects that the water cup is placed on the cup holder, it outputs a low-level signal, and the relay drives the water pump to work after receiving the signal. When the water cup leaves the table, the water pump stops working and the water filling is completed.
Material: plastic, metal accessories, electronic components
Type: STEM toys, DIY kits
Suggested Age: 12 years and up
Batteries: 2*AA (not included)
Package: PE ziplock bag*
*Some orders are individually packaged in cartons, but this is not guaranteed!
Note: this is a DIY kit, you need to assemble it
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.