General description This Dog Training Collar features a 900M remote control and offers 3 training modes: Beep, Vibration, and Electric Shock. With adjustable levels, it effectively helps correct unwanted behaviors in dogs, making it suitable for stubborn and disobedient pets. Technical specifications Remote control range: 900M Vibration levels: 1 to 16 Shock levels: 1 to 99 Collar adjustable length: 15 to 70 cm Charging time: 2 hours Compatibility and accessories Suitable for small, medium, and large dogs Includes 4 silicone sleeves for skin protection Installation Adjustable collar can be cut to fit any size Usage Easy to operate with 3 independent buttons for each mode Ideal for training during walks, runs, and off-leash activities Other information Collar is waterproof and submersible; remote control is not waterproof Reflective nylon helps locate your dog in the dark Safety keypad lock prevents accidental electric shock Uses safe voltage to avoid harming your dog