2-in-1 No Shock & Shock Modes: Dog bark collar designed in 2 training modes and 5 adjustable sensitivity levels. No shock Modes: Beep+Vibration. Shock Modes: Beep+Vibration+Shock.

Collar has a security lock to protect your dog. Collar goes into a safety mode that will temporarily stop working (the digital display changes to "E") for 2 minutes if it triggers 6 times.

USB Type-C Fast Charging and Battery Indicator: With USB Type C design, the collar can be fully charged within 2 hours and can last up to 15 days.

Waterproof and suitable for all sizes: With 27 inches long adjustable collar, the anti bark collars for dogs fits dogs over 8-120 lbs with neck sizes 7-26 inches.