• Waterproof, lightweight and durable • Designed for a comfortable and correct fit • 5 intensity levels – set instantly with a button • Easy to see light confirms on/off • Bark Odometer™ “counting feature” reports correction activity • Bark sensor is internal and protected from damage • Choice of contact point length to assure proper contact for short and long coats • Battery-saving “sleep mode” • One replaceable lithium battery (included) – battery will last a year in normal use