Flittor Dog Training Collar, Shock Collar for Dogs with Remote, 2 Receiver Rechargeable Dog Shock Collar, 3 Modes Beep Vibration and Shock Waterproof Bark Collar for Small, Medium, Large Dogs

• Dog shock collar with remote:The remote rang of the dog training collar up to 1000ft that allows you to train your pet easily both indoors and outdoors. So you can use it in a park, your backyard, at the beach, or anywhere else.
• 3 Modes,Training Dog Effectively :This dog shock collar has 3 modes-Standard Tone, Vibration(1-8)levels and Shock(1-16)levels.These modes are design to correct the dog's behavior such as aggression, peeing in the wrong place, sitting at the wrong time, unnecessary barking, and other inappropriate behaviors.
• Waterproof Dog Shock Collar & LCD display with backlight screen:The training collar receiver is waterproof IPX67 which give your pet more freedom during the outdoor activities. And the remote transmitter has LCD display with backlight which supports you to train your dog all the time.
• Multi-Dog training System &memory for settings: Our dog training collar have A+B channel design, This can train two dogs at the same time.Whether you have one or two dogs, you can easily accomplish the task of training it or them with 1 remote transmitter. And memory for settings makes it easy to operate, this means you can use this collar to train up to three different dogs with three different settings without resetting it.
• Security Keypad lock&Certification:The security keypad lock is the features of dog shock collar. It protects your dog from unintentional manipulation. In addition, the product passed the UL/CE/RoHS/FCC/UC38. 3/MDSD certification test. So, you can trust it.

Source reference: https://www.amazon.com/dp/B08P2L88MC