The box of the new lamp for the refrigerator of my father

Although this is an oven lamp, My father installed this lamp into his refrigerator.
It have a miniature tubular shape and an E14 base.
it consumes 15W but produce only 85 lm. As a result, the efficiency is only a mere 5.7 lm/w
It produce a 2500K light and a CRI of less then 100%