Specifications: Material: Silicone and ABS Battery: 2 * AAA Battery (not included) Vibrator Size: 100 * 80 mm Vibrator Weight: 100g Cable lenght: 100cm 1. load 2 AAA batteries into controller 2. connect the four pads to controller 3. stick the four pads to skin， when you use only 2 pads， the 2 pads must be from different channels. 4. press "on" to turn on the machine. 5. press "on" again to start electro shock. 6. press "on" more times to intensify the electro shock power / press "off" to weaken the electro shock power. 7. press "S/P" to enter Speed Control， then press "on" to speed up / press "off" to slow down. 8. press "S/P" again to back to Power Control 9. press "MODE" to change electro shock mode 10. Press "off" to turn off the machine Package List: 1 * Electric Shock Massager 1 * User\'s Manual