Good morning Sir and thank you for your message about h7 specification.

In this letter, I would like to explain to you h7 specification in brief.

H7 specification includes Watts, Volts, Luminous, Color Temperature, life time, base type and others.

For example, most of h7 bulb is 12v and 24v.

Main wattages of h7 specification includes 55w, 70w and 100w.

Our color temperature of h7 specification is from 2500k-6000k.

The life time of our h7 specification is 800-1200 hours, which is 2-3 times as long as others.