It’s always raining, so I feel very cold in my office.

I went to my h7 led bulb factory rather than stay at office.

In this letter, I would like to show you how to install h7 led bulb step by step.

At the first, you need to open dust-proof covers of h7 led bulb.

Then loose the lock catch and take off old h7 led bulb.

Putting our new h7 led bulbs into the notch of auto lamp and then lock the buckle tightly.

When you finishing installation h7 led bulb, please close the dust-proof cover again.

Meanwhile, you must wear gloves when h7 led bulb install.

I can also send a video to you by email, which explain to you how to install h7 led bulb.