Package Includes : 1 x Digoo DG-PPT1 Remote Transmitter 1 x Digoo DG-PPT1 Worterproof Receiver 4 x Digoo DG-PPT1 Screw 1 x Digoo DG-PPT1 USB Charge Cable 1 x Digoo DG-PPT1 Tester Feathers : 3 different models for both expert trainers and first time owners to correct Barking, Working, Leash Training and Sitting of your pets. You can use the Beep mode to give your dog a Warning. Adjustable levels for Vibration and Static Stimulation, choose for your pets. The waterproof receiver will help you traning dog when swiming. A Blue Backlit Design LCD will help you interact with your dog in the dark night. Rapid Charging Li- Ion Battery Provides a long lasting Battery Life. And USB Port is convenient when go out side with your pets. The Remote and receiver will go into standby mode if no operations within 5 minutes, save po-wer automatically. How to operate: Opne : Press the butten on the Receiver when the working indicator light. OFF : When the working indicator of the receiver is not shinning, press the butten for few seconds, after the working indicator shines tow times.