How useful is the flashlight?

A flashlight can be for daily use in dark. Some flashlights can be used to other applications, like IMALENT flashlight EU06-RV, with three sources lights, 900lumens spot mainlight for daily lighting use, red sidelight help traffic police to stop cars, and UV sidelight to help with checking driver's ID card. More features in this flashlight: remote control from 10 meters.