Engineered for medium-sized dogs over 10 lbs., the Dogtra 280X Electronic Collar Training System for Dogs will gain the attention of and help you gain control over your dog. The signal between the remote transmitter and the E-collar receiver features a half mile range, and the collar itself features an LED light, so you'll be able to spot your dog at night. The intuitive remote delivers 1-handed control, and the front-and-center command button ensures your commands will happen whenever there's a need. Both the remote and collar receiver are built for harsh treatment, and they double-casing design boasts an IPX9K waterproof rating. When you're in the field hunting pheasant or on the front lawn, this system features an audible tone to give a warning or a recall command. For more serious moments, it also puts you in command with Nick, Continuous, and XPP Vibration modes. Plus, 100 medium-output levels let you adjust to fit the temperament of your dog. This system is able to become a 3-dog training system (extra collars not included). Collar's contacts can be removed for non-stim training. This dog obedience training system from Dogtra includes E-collar remote transmitter, E-collar receiver, E-collar strap, 5V 2.5A charger, USB-C charging cable, test light, belt clip, and lanyard. For medium-sized dogs over 10 lbs. Half-mile signal range 1-handed control is intuitive and easy to operate Nick, Continuous, and XPP Vibration 100 medium output levels Durable double-remote casing IPX9K waterproof rating LED E-Collar light Audible tone 3-dog expandable