【4 Humanized, Effective, Safe Training Modes】Our dog shock collar features 4 humane training modes: beep(1-8 levels), vibration(1-16 levels), safe shock(1-99 levels) and Shock Boost(10% higher). Enables you to set the correct stimulation level for your pet and correct bad behavior promptly. | 【4200FT Range & 2 Channel】The dog training collar covers up to 4200FT providing a stronger and more stable signal, ensuring you can enjoy training time with your dog in the backyard, park, beach or anywhere else. With dual-channel, one remote supports 2 receiver collars, and you can train 2 dogs at the same time! Besides, it has a memory function without resetting it. | 【Fits for 10-120lbs All Sizes of Dogs】Made of skin-friendly and comfortable soft nylon, two-way adjustable strap. This dog training collar with remote fits dogs over 10 lb with neck sizes 7.8-24.4 inches. Dog training collars are suitable for large dogs, medium dogs, and small dogs. The compact collar design ensures a comfortable fit for your furry friend. | 【100% IPX7 Waterproof Compact Receiver】The electric dog collar can be used in any weather and any condition thanks to the IPX7 waterproof design of the receiver. Instant response security on/off switch button allows you to carry it without any fear of accidental touch. | 【Super Long Battery Life and Fast Charging】Upgraded technology, 3-in-1 fast charging only 2 hours to be fully charged. This dog training collar with remote provides battery life that lasts for a long time, the e collar can last up to 35 days of standby time and the remote 45 days!