3.0 x 2.2mm single color surface mount LED lamp. High efficiency red (peak wavelength 627 nm). Lens type water clear. 3.0 x 2.2mm single color surface mount LED lamp. Super bright green (peak wavelength 565 nm). Lens type water clear. 3.0 x 2.2mm single color surface mount LED lamp. Yellow (peak wavelength 590 nm). Lens type water clear.