Voice Activated Led Water Light Kit Cd4017 Lantern Control Module Diy Electronic Kit Physics Teaching Training Module

100% Brand New and High Quality ! Product size: 6.5*2.7cm/2.56*1.06in Color: as shown Package Included:1set water light kit The circuit board is a glass fiber tin-sprayed board. Working voltage: 4V--12V, the higher the voltage, the brighter the LED. Circuit function: 10 LEDs cycle and emit light in turn according to the volume and height of the sound. The louder the sound, the faster the water flow. L11 flashes once per cycle, which can intuitively display the function of 4017. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.