TruOpto 5mm LED Low Voltage Round Module 1.2V Water Clear – TruOpto OSM5DK5111A-1V, This warm white 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 OSM5DK5111A-1V 5mm Low Volt LED 1.2V Warm White 20000mcd 15° 3000K