Keedox? Fast shipping via USPS, Rechargeable Waterproof No-barking Collar for 1 Dog with 100 Levels of Vibration 1. 100 levels of vibration, and the levels can be altered by use of up & down button. 2. A tone button activates a tone on the Collar Receiver.The system can be used for 1 or 2 receivers. 3. The collar Receiver will TURN OFF if it is unused for 4 minutes. Any movement will activate the Collar Receiver into STANDBY MODE. 4. The Transmitter will go into STANDBY MODE if there are no operations after 20 seconds and turn off after 2 minutes. 5.Package Included: 1 x Remote Transmitter (Battery Included) 1 x Rechargeable Dog Collar 1 x Test light 1 x Home Charger 1 x English Manual