100%  high quality.Compact size and lightweight;easy for carry. Electric;easy for use;quick cleaning;dust remove. 360 degrees rotatable;no dead corner;cleaning thoroughly. Super strong absorption;will not make dust everywhere in the air. Video link address:http://cloud.video.taobao.com/play/u/2615531080/p/2/e/6/t/1/50189438030.mp4Size: Handle length 24cmShort duster head 14cmLong duster head 28cmExtension rod 20cmIncludes:1 x Spin duster 1 x Instruction manual1 x Charging CableInstallation note!1. The large brush head can only be installed on the main machine. It can't be used on the extension pole;Otherwise there will be problems with the installation.2. The small brush head can only be installed on the extension pole;otherwise it will appear;and the problem of opening the host immediately falls down!Note: 1. Due to the light and screen difference;the item's color may be slightly different from the pictures. 2. Please allow slight deviation for the measurement data and make sure you do not mind before ordering.