Electronic Hourglass DIY Kit Funny Electric Hourglass Speed Adjustable Suit with LED Double Layer PCB Board for Skills Test

Type: Voltage Regulator
is_customized: Yes
Model Number: Electronic Hourglas Kit
Operating Temperature: -25-85 Celsius
Brand Name: ReYeBu
Supply Voltage: DC3.3-5V
Condition: New
Application: Electronic Hourglas
Hourglass speed: adjustable