For effective inspection day and night or in dimly lit areas.Ideal for inspecting difficult or dangerous areas, such as under or over vehicles, plant and machinery and under seating.Light yet strong with telescopic poles except 413271 which is a fixed length pole.413275 is mounted on wheels.413274 and 413275 are supplied with 3 x AAA batteries.Polymir® construction - unbreakable, high quality, clear and sharp image with no distortion.Anti-UV surface treatment.