➤ 800 Meter Super Long Distance: 800 Meter free distance barrier, make it easy to train your dog in the park or backyard. One remote transmitter can control up to 3 pieces of electronic collar receivers; One channel can control 2 receivers at the same time. ➤ 4 Multi Training Mode: LED light indicator helps locate your dog in low light state. The vibration mode are adjustable from 0-99 levels of strength to correct dogs behavioral obedience. Sound and beep mode creates an audible warning. ➤ 100% Waterproof and Rechargeable: The waterproof receiver lets your dog go swimming, chase toys around a pool. Transmitter and receiver can be charged simultaneously. 2 hours quick charge, allow 15-20 days of use. ➤ Double Soft Humanized Design: Soft rubber contact points are soft, safe and humane for dogs. The length of the necklace is adjustable from 6 to 27.5 inches; Perfect for the average large small dog. ➤ Simple and Easy Operation: This electronic collar for dogs features separate buttons
