DESCRIPTION
DIY Electronic Hourglass Kit Soldering Practice Spare Parts Module -2021.
Feature:
Working voltage: DC3.3-5V or 3*AA battery;
Speed: Adjustable;
PCB size: 74.4 x 43.7 x 24mm;
Color: Red LED;
Package includes:
1 x DIY Electronic Hourglass Kit.
Finish assembly, for reference only.