Specification: Dental care tool set Power supply: dry battery (not include) Voltage: 1.5V Vibration times: 12000RPM Material: host ABS, working head environmental protection PP + environmental protection TPE Host size: 15.822.3cm Whole machine weight: 71g S5.1 with 5 brush heads Normal model with 3 brush heads Notice: Please allow slight dimension difference due to manual measurement. Please consider the actual sizes in the listing as the pictures are generally enlarged to show detail. Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. Due to the light and screen difference, the item's color may be slightly different from the pictures. Thanks for your understanding. Foodgrade ABS, safe and scientific for comprehensive and thorough dental cleaning, suitable for all crowd 12000 rpm highfrequent sonic vibration along with professional cleaning head effectively helps eliminate the dental calculus, plaque and stains, achieving the thorough cleaning of teeth LED auxiliary lamp to end the dead areas, antiscald hand shank and cordless design together ensure more efficient using experience You can whiten and brighten teeth, clean teeth, massage gum remove teeth stains and clean and massage tongue with this one kit