Features:
1. The unit size: *1.5 x *4.5 x *2 mm
2. LED power indication
3. Powered by 3.7V rechargeable battery
4. Water proof design
5. Low power consumption
6. Record the total spray times automatically when you turn off the collar
7. The device is safety and no negative impact or hurt to your pets.

LED light: Indicate the working status. Low battery , Total spray times,
On/Off : Press and hold on 2 second , two confirming tones and Red led on, the collar is power on. Press and hold on 2 second ,turn the collar off , one long tone will sound . the Red LED flash several times to show the total spray times
Refill Port : Refill spray when no spray 
Dc Plug: Charge battery 
Microphone: Detect the barking 
Spray Nozzle: Spray Ejects

How to use
1. Place the spray collar on your dogs neck close to the ears.
2. The spray collar should fit snugly, yet loose enough to allow one finger to fit under the strap.
3. Make sure the Spray Nozzle is angled out and pointing up towards the dogs snout. For long haired dogs , It may be necessary to trim the neck hairs along the spray path
4. Ensure the Refill Port is clean . If any dirt or debris enter the refill port , please clean the port before each fill
5. Hold the Spray can upright and firmly press the nozzle down into the Refill Port . Hold for *5 seconds and remove
6. The device will eject spray automatically when detect the dog barking . The collar spray 1 time  if the dogs barking is continuous without interval over 2 seconds.
7. The device will return to the original status if it cant detect the barking for **0 seconds.
8. The device is safety and no negative impact or hurt to your pets.
9. The Red LED will flashes to indicate the total spray times when you turn off the collar . For example , if the total spray times is 3 , the Red LED will flash 3 times once the collar power 

Kiit In:
1*Bark Collar
2*DC USB Cable
1*Nylon Strap *5cm
1*Instruction