TruOpto 5mm LED Low Voltage Round Module 1.2V Water Clear – TruOpto OSY5PA5111A-1V, This yellow 5mm LED module has an input voltage range of 0.8 to 1.6V DC making it ideal for use with 1.5V batteries. The LED also features high luminosity and is ideal for applications such as flashlights/torches, decorative lighting, etc. TruOpto OSY5PA5111A-1V 5mm Low Voltage LED 1.2V Yellow 22000MCD 15° Water Clear