50pcs Red Self Flash Flashing Blink Water Clear Bright LED Emitting Diode Light 5mm Self Flash Flashing Blink Water Clear Bright LED Light Size (mm) : 5mm Voltage: 2.2V-1.8V Peak Wave Length (nm) : 620 ~ 630 Luminous Intensity Typ Iv (mcd) : 4000(Typical) ~ 5000(Max)