Telescopic LED Insepction Mirror, Use To View Into Hard To Reach Areas In Machinery, Vehicles, HVAC Equipment, Electrical Wiring & More, A Dual Ball Joint Positions The Large 1 1/2" W X 2 1/2" H Mirror At Any Angle,Twin LED Light Illuminate Hidden Areas For Ultimate Visibility, LED Light Uses 2 Cr2032 Batteries, Included.