Feature:The package includes: 1 host 5 x replaceable functional head 1 x base 1 x Manual Product name: 5 in 1 electric dental scaler Model: E35038 Size: 158x75x60mm/6.2x2.95x2.36in Color: black Material: ABS, Environmental protection PP, 303 alloy steel Voltage: 1.5V Vibration times: 15000RPM Product features: for dental calculus, Tartar, smoke stains, High frequency vibration of dental plaque, Clean stubborn dental calculus, Healthy teeth whitening. Note: The working head can be washed, The main unit and base cannot be washed with water. This product is for adult use only, Keep away from children. -Ergonomic design, Comfortable grip, one key to open, easy to use. The LED light is bright, the light is strong, Accurate cleaning, no dead ends. -5 replacement heads, Change freely according to your needs. One AAA battery can work, easy and convenient. -Fresh appearance design, The base design is exquisite and beautiful, Its like a work of art.