General description This automatic and intelligent anti-bark collar is designed for small and medium dogs, featuring 2 humane training modes: beep and electrostatic shock. With 5 adjustable sensitivity levels, it effectively detects barks while minimizing false triggers from ambient noises or other dogs. Technical specifications Modes: Beep and electrostatic shock Sensitivity levels: 5 adjustable levels Rechargeable battery: Lasts approximately 30 days on a full charge Waterproof: Resistant to water, rain, snow, and mud splashes Usage Adjust the sensitivity from 1 to 5 based on the environment and your dog's needs. The collar features a 7-stage automatic cycle to protect your dog; if activated 7 times in a row, it will enter sleep mode after 1 minute of inactivity. Other information Collar size is adjustable for optimal comfort; excess length can be cut off.