1) this product adopts 1200 beats per minute high pressure ultrafine pulse water column, deeply cleaning your teeth all around. 2) it also could be used to clean the artificial teeth, reducing your oral cavity residue and harmful bacteria. 3) it can reaches areas where other brushers can not reach, keeping your oral cavity clean and comfortable, effectively avoiding periodontitis, gingivitis and other dental disease. Packing: Unit size: 14*10.5*21cm Color box size: 16.5*13.8*22cm Unit weight: 1.4 kg Case pack: 2 units Case pack size:30*19*25cm Case pack weight: 3.1kgs