4 training modes: with vibration, sound, light mode and other working modes, the vibration mode can be adjusted from 1 to 100 Separate design: this shockproof dog collar adopts a design convenient with independent colored buttons to avoid confusion Rechargeable and adjustable receiver: Both the Receiver Collar and Remote can be charged. Adjustable neckband to fit neck sizes from 3.91 to 19.29 inches. Waterproof: The collar receiver is waterproof - it works even if submerged in water - so that your dog can swim with the collar or swim freely 300 meters range: the range can reach 300 meters, there are two channels, and two dogs can be trained at the same time
