<p>This product is not produced by the original manufacturer. It is a replacement that is perfectly compatible with this model and is produced by the accessories manufacturer. It is not an original product produced by the brand factory.</p> All adapters have been fully tested:Strict Aging Test,Strict Material Test,Over Voltage Test,Over Temperature Test,Safety Test,High efficiency low energy consumptionFit model:HC3400 HC3410 HC3420 HC3422 HC3426 HC5410 HC5440 HC5442 HC5446 HC5447 HC5450 HC7452Colour:blackMaterial:plasticPackage Contents:1 * Hair clipperOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.