10Pcs DIY Electronic Hourglass Kit Soldering Practice Spare Parts DC3.3-5V Speed Adjustable

Installation instruction: Click to open



Feature:

 

Model: EH-30

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:

 

10 x DIY Electronic Hourglass Kit

Finish assembly, for reference only.