Mini Low Frequency Massager HDW-300 Compact size Good size to carry out / Suitable for traveling Personalized Massage Stimulation from 1 Hz up to 100 Hz to produce the desired intensity of massage 16 Strength Control Massage by various parts such as shoulder / abdomen / waist / foot LCD screen Easy to use by applying LCD screen Five automatic modes 15-minute automatic timer function Specifications Product Size 53 x 20 x 100 (mm) Weight 44g Power consumption AAA batteries * 2 Radio waves certification MSIP-REI-DrW-HDW-300 Packing unit 40EA carton