V12 Detect Laser | The Dyson V12™ Detect Absolute includes Laser Fluffy Head that can detect particles you can't normally see - so you don't miss anything. Learn more:... | By Dyson
The new Dyson V12 Detect Slim Total Clean uses lasers to detect your dirt
Support for your Dyson V12 Detect Slim™ cordless vacuum | Dyson
Faulty Laser Head on brand new store bought V15 Detect (info in comments) : r/dyson