This dog training collar operating by a transmission and a receiver has 4 four modes to control and train your pets. Easy to connect the transmitter with collar receiver， 7 levels of vibration & static shock and is adjustable of the level. Large range of remote control range which up to 550 meters.

Features:
Perfect pet trainer for bark control and help pets to develop good habits.
LED indicator with light function. 
550m(601.5 yards) remote control distance. 
The system can expandable to 2 receiver collar.(Need to get additional receiver)
Waterproof dog trainer receiver supports your dog swimming in the water.
Rechargeable remote transmitter and receiver collar.
High quality comfortable TUP strap can adjustable from 9.4" to 24.8" long.
7 levels adjustable shock vibration and beep by rotating the thumbwheel.
Turn on/off the LED light by pressing the light button for 3 seconds.
Perfect for basic training: digging， barking， jumping on people， running away and all other training needs.
Two pairs of mental prong(short/long) to suit dogs with varied fur thickness.
Compact and rechargeable， ergonomics design， portable and comfortable.

Tone Indicator:
  Press any button of the transmitter，it produces B sound.
  If press the shock button more than 10 seconds，it would produce “BBB” warning sound.
Power Saving:
  Both of the transmitter and receiver can be turned off manually.
  The Remote Transmitter will go into Standby Mode if no operation for 2 minutes.
  Press any button will activate the transmitter.
  In Standby Mode，the receiver will flash blue light every 10 seconds.

Specifications:
Color: Black
Material: ABS + TPU
Remote Range: 550m / 601.5 yards
Waterproof Level of Receiver: IPX5
Working Mode: Static Shock， Vibration， Sound and Flash
Transmitter Battery: Built-in 3.5V 560 mAh
Receiver Battery: Built-in 3.5V 560 mAh
Input Voltage: 100-240V  
Plug Type: EU / US (Optional)