This is for 50pcs 3mm Dual Bi Color Polar Changing Red/Green Diffused Led + 50pcs 1/4W 470ohm resistors for 9v ~ 12V DC
Color: Red and Green
When input current "+" and "-", Red lighted
when input current "-" and "+", Green lighted
Forward Voltage for Red: 1.8V ~ 2.2V DC
Forward Voltage for Green: 3.0V ~ 3.4V DC
Wavelength for Red: 620 ~ 625nm
Wavelength for Green: 520 ~ 525nm
Forward Current: 20mA
Lens Color: Milk-White
Pin Length: 28.5mm and 26.5mm