T5 LED tubes from QUEENDOM are engineered for refrigerated display cases, freezers, and cold-chain retail environments where standard lamps suffer from low-temperature starting failures. The slim 16 mm diameter matches standard T5 G5 fixtures, and our drivers maintain stable output from -25 °C to 45 °C ambient, eliminating flicker and slow start-up in freezer aisles.Available in 4000 K and 6500 K with high-CRI options for food presentation, these tubes deliver 90–110 lm/W with an IP20 or IP65 frosted cover. Typical applications include supermarket refrigerated shelving, beverage coolers, floral cases, and pharmaceutical cold storage. Each series ships with LM-79 photometric data; download specifications from our commercial lighting specifications page.