[4 Training Modes & 4 Channels] This dog shock collars for medium dogs features 4 effective training modes: beep, shock (1-99 Level), and shock boost (10%) to efficiently train your dogs and discourage unwanted behaviors. Additionally, its channel function enables you to train up to 4 dogs simultaneously, making it a versatile tool for multi-pet households.

[Secure Keyboard Lock & Extended 2300ft Range]Ensure safety with the side security keyboard lock on the remote, preventing any accidental operations. With a range of up to 2300 feet (766 yards), this dog shock collar for large dogs gives your pet the freedom to roam off-leash during outdoor adventures or travels. Train your pet effortlessly in the backyard, park, seaside, or any preferred location.

[IP68 Waterproof e Collar& Comfortable Collar ] Our shock collar for dogs 40-60 lbs waterproof boasts an IP68 waterproof and dustproof, is convenient for dogs playing around a pool or in the rain freely. ensuring optimal performance even underwater up to 30 meters. waterproof design of the receiver.

[Long Lasting Battery Life & Fast Charging] Our shock collar waterproof is rechargeable, reaching full charge in only 2 hours. Enjoy up to 20 days of use on a single charge for the e-collar and an impressive 30 days for the transmitter. Plus, conveniently monitor battery levels for both the remote and receiver on the remote's display.

[Fits 40-120lbs Medium to Large Dogs] The strap of this dos shock collar is adjustable from 8 to 30 inches, ensuring comfort and softness for your pet. Specifically designed for dogs weighing between 40 to 120 lbs, it serves as an excellent training collar for medium to large breeds. Remote size: approximately 7.12 inches x 1.96 inches x 0.96 inches; receiver size: approximately 3.16 inches x 1.1 inches x 1.44 inches.