• Collar with 4 training modes: Sound, Sound + Vibration, Sound + Static Shock, and Sound + Vibration + Static Shock. • 8 adjustable sensitivity levels to tailor the training to the dog's nature and behavior. • Automatic protection system that deactivates the collar if activated more than 6 times in a minute, ensuring the dog's safety. • Intelligent detection chip that filters out noises and activates only with the dog's barking (frequencies of 1000-2000kHZ, 80-90db). • High-capacity rechargeable lithium battery, fully charged in 2 hours and up to 21 days of use. • Water-resistant with IP67 rating, ideal for rain, splashes, and dust. • Lightweight and portable, weighing only 55g and featuring a 62 cm reflective strap. • Product dimensions: 3.5 cm wide, 2.5 cm high, and 6 cm long.