Are you awkward or annoyed when your dog behaves badly? such as excessive barking, biting, jumping, digging, chewing, house soiling. Don’t worry. The Bousnic dog training collar will help you solve the problem. Dog training collars are extremely safe and effective tools. You can solve your dog's behavior problems, teach your dog basic obedience commands, and train your dog to do almost anything. Why choose Bousnic dog training collar? Bousnic dog shock collar has features as below: 3 Safe,Humane, and Effective training modes Rechargeable IPX7 Waterproof receiver 1000FT Remote Range Mini Size Design-thinner, smaller, and more lightweight Comfortable for all sizes of dogs (8-120 lbs) Collar length (6-27 inches) PACKAGE INCLUDED 1* Remote Transmitter 2* Receivers 4* Contact Points 4*conductive silicone caps 2* Contact spring sheets 1*Test lamp 1* USB Charging Cable 1* User Manual Perfect for Training, Simple and Effective: This Bousnic electric shock collar is designed with 3 extremely effective harmless modes: beep(standard), vibration(standard), safe shock(adjustable 1-16 levels), which can help you train your dog to behave well. Dual-Channel with Up to Almost 1000FT Range: The Bousnic remote features a dual-channel to support training 2 dogs simultaneously. The remote training range of this e collar is almost 1000FT, which makes sure you can enjoy the training time with your dog in the backyard, the park, at the beach, or anywhere else. Sleeker, Smaller and More Lightweight, Comfortable for All Sizes of Dogs: This Bousnic e collar Receiver is mini. Meas.2.3(L)*1.4(W)*1(H)inch. Weigh only 0.12Lbs. Thin and lightweight. The Bousnic adjustable nylon collar fits 6-27 inches.The training collar is very comfortable for small medium large dogs (8lbs -120lbs). The remote is ergonomic designed. Silicone covered, it is easy to hold and operate. Rechargeable and IPX7 Waterproof: The Bousnic electronic collar is rechargeable with a built-in lithium battery. You can charge the shock collar with your phone adapter, which is very convenient. The collar receiver is IPX7 waterproof, offering you maximum flexibility during the outdoor activities. Long-lasting Battery Life: The Bousnic e collar uses the latest lithium battery technology providing battery life that lasts for a longer time. Besides, it takes only 2-3 hours to be fully charged. For the initial charge, be sure to charged it for 4 hours. Typically used, the receiver will last for 11-15 days, while the remote battery will last for over 1 month.