* Features - It's OK with any casual type of toothbrush in your bathroom - No need to change brush-heads - 3-Dimensional Vibration - Protection of gums - Removal of Plaque & Nicotine - Cleansing of Toothridge - Energy effiecient - Defect free in Operation - Water proofing main frame - Easy to learn how to operate it - Reasonable price * Specification - Power: DC1.5V(One Dry Cell) - Weight:84g(With battery:110g) - Dimension(mm):23 x 44 x 146mm - Frequency: Main 130Hz/M, Torque 500Hz/M - Diameter of Neck hole:8~20mm * Others - Durability of Switch: Resistance over 5,000times(5 Years OK! ) - Durability of Motor: More than 500hrs (Yearly use time estimated:54.8hrs = 9min/day x 365days) - Durability of Battery:4hrs - Main Frame: Waterproof - Basic options included: AA Alkarine Battery 1.5V & Toothbrush |