YINGRAN3 Voice Activated LED Water Light Kit CD4017 Lantern Control Module DIY Electronic Kit Physics Teaching Training Module

E WOITD. 100 New and High Quality. Product size: 6.5x2.7cm 2.56x1.06in. Color: as shown. Package Included: 1set water light kit. The circuit board is a 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. 100 New and High Quality. Product size: 6.5x2.7cm 2.56x1.06in. Color: as shown. Package Included: 1set water light kit. The circuit board is a 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