Name: 4 digit 1 inch LED digital clock kit (Light Control Version)
PCB Dimension: 98 x 35 x 1.6 mm (L x W x H)
Case dimension: 105 x 46 x 29 mm (L x H x D)
Digit dimension: 1 inch
Working voltage: DC 5V
Working current: 40mA
Net weight: 134g (with case) 81g (without case)
Case material: Crystal case
Circuit: Welding assembly
SCM process : It have written a program can be used directly.
Can charging with your cell phone charger.
With dark foil so that in the night will not looks too bright.