You are Buying a Brand New And Factory Sealed Wireless ABS Muscle Toner Abdominal Muscle Trainers Workout Home Office Fitness Equipment For Abdomen/Arm/Leg Training Men Women by KMS Product description Not included the 6*AAA battery!!! Product Standards: Voltage: 1.5V 6*AAA Using Mode: 6 Modes Frequency: 1--100HZ Working Time: 12 Minutes(per installation time) Output: maximum 9.8mA Size: 21*10*2.3cm Weight: about 58g Product Feature: 1.The low frequency is a special electricity with regular rhythm or stop. According to suitable power and speed on body by low frequency, which make a rhyrhm and sort impetus on body. The softness of low frequency are as same as massage effect like pressure, pinch and percuss by human hand. 2.Choice 6 modes with simple operation. 3.Itwill fet off power automatically after 12 minutes from stop, when you forget power off. Process for Operation: 1.Take out the equipment from the case. 2.Place the gel pads at desired areas of the body. 3.Please push switch for power on. 4.Choice mode. 5.Adjustment for output level. 6.Working time is 12 minutes per one. 7.To push switch for "OFF/DEC" button until let lamp off. when it doesn't act during in working time. How to use an effective: 1.The low frequency is suitable to 12 minutes one time and 2-3 times a day, if used it a long time or feel harder with impetus, then you will feel tired at moment. 2.It's able to aviod 30 minutes after dinner, and favour to do after shower or warm washing. Not include the 6*AAA Battery!!! Because of shipment Not allowed! Using Mode: 6 Modes Frequency: 1--100HZ Working Time: 12 Minutes(per installation time) Output: maximum 9.8mA