1.NPS technology to grab attention and stop tracks 2.3.3x More Effective Than Dog Bark Collar 3.1 Hour Rapid Charge - Long Lasting 60 Days Battery 4.8 second ultrasonic auto-shut off, training and protecting pups' sensitive hearing.

1. Sturdy and durable, One size fits most. 2. Lightweight, fully adjustable helmet 3. Easy to disassemble

1.Reduce the light impact, improve using experience 2.Laser hits flash and sound feedback 3.Cost reduction and save ammore 4.Chargeable 5.Targets are easy to carry and install