Here is a large mirror with a telescoping handle.

Mirror works well for viewing under vehicles, prison bunks, and other hard-to-reach places where evidence or dangerous weapons might be found. The extra-large viewing area makes it easier to see large areas at once, helping you to do your job quicker. Mirror does not detach from this unit for use on any other kit. Mirror is made of sturdy, break-resistant material, made to withstand the bumping and bouncing inside of your crime scene kit or vehicle.

Features:

Handle (closed) measures 7" and extends to a maximum of 32"

Mirror surface measures 4"W and 6-1/4"L

Weighs 5 oz.