1.Please lower the sensitive if the device goes off easily to any other sounds.
2.Please upper the sensitive if you have a very small dog with small sound
3.Please take off the device when the dog is going to swim (this device is not waterproof)
4.Contact your seller if you had any other questions about this product.

5 Bullet Points
Training Modes: Beep Beep+Vibration+ Voice Play-Back
Charge the device：Charge the device with a 5V/300MA or 5V/500MA Power adapter with Provided USB Cable. The other power adapter will damage the device.
Recording your voice：You have 6 seconds to record your voice when the LED Become RED. Repeat the procedures if you need record new voice.
Adjust the sensitive：You can adjust the sensitive level base on the barking of your dogs. The higher sensitive level. The easier go off.
Power on the device：Press the Power on/off button on the device as below then you will hear a “Beep”and the Green LED will be solid as well as playing the recording voice.(First time use will be no any recording voice.)

Package :
1×Receiver Collar
1×Collar Strap
1×USB Cable
1×User Manual