Detail: • A basic blinking light circuit that suits those who are interested in electronics. • Easy to assemble and to understand with few components and low cost. • 2 LEDs will alternatively blink and blinking speed is adjustable. • Power supply: 3 VDC. • Consumption: 14 mA. max • Adjust blinking speed with trimmer potentiometer. • PCB dimensions: 1.39 x 1.27 in. • Recommended housing: Future Box (FB03)