Feature: 1. The receiver uses a touch control switch for easy operation, the training range is in 800m/2624.7ft. 2. The product has 4 major functions, namely spray, vibration, sound and light flashing dog light. 3. Each function of the product has 3 modes, meet different needs, with better effect for dogs. 4. The spray mode has the mode of 3 consecutive sprays, safe and high performance for training dogs. 5. The transmitter has a small flashlight mode, suitable for night training, the collar is also adjustable. Specification: Item Type: Spray Dog CollarMaterial: ABSColor: As Picture ShownBand Length: Approx. 65cm/25.6in(Adjustable)Weight: Approx. 281.0g/9.9ozTransmitter Battery Capacity: 300mA Working Current: 100mA Receiver Battery Capacity: 150mA Working Current: 60mA Power Material: Lithium Battery Receiver Waterproof Level: Life Level Waterproof Charging Time: About 2H How to use: 1. Before replenishing gas, the liquid volume of the replenishing gas of the host must be closed. After replenishing the gas, close the receiver; you can start to put the inflatable tank on the device, fix the gas tank vertically, and press the inflatable tank into the filling hole for 10 seconds. 2. Wear a bark stopper for the dog: adjust the neckline according to the size of the dog's neck, cut the remaining part of the neckline, and use it effectively when worn correctly. 3. Put the bark stopper on the dog’s neck. When installing, the nozzle is vertically aligned with the pet’s nose. The scale between the neck and the dog’s neck is based on the scale of a finger to accurately detect the dog’s barking frequency. Installation is very important. Excessive slack will cause uncoordinated movements and affect the normal operation of the product. 4. For dogs with longer body hair, trim the hair on the spray place to ensure that the spray to the effective range. 5. The red light will slowly brighten when charging, and the blue light will flash when fully charged.. Package List: 1 x Receiver1 x Transmitter1 x USB Charging Cable1 x Hanging Rope1 x Manual Note: 1. Please read and follow the instructions in this manual. It is important to wear the collar correctly. When pets wear collars that are too long or too tight, they can cause skin damage. Wearing too long or too tightly may cause stress and cause skin damage. This is often mistaken for burns.2. Don't tie the device tightly around the dog's neck.3. Do not leave the device on the dog for more than 12 hours.4. Replace the collar on the pet's neck every 1 or 2 hours.5. Only used to connect T500 transmitter and receiver.6. The use range is within 800m/2624.7ft.7. Ship without gas.