All kinds of Remote Dog Training Collars are available: waterproof, rechargeable, 100~1000m, 1~3 dogs... 1. Remote range up to 300m for 1 dog. 2. Rechargeable and waterproof, your dog can swim in the water for o.5 hour. 3. 4 modes: static shock/ vibration/ beep/ light, 100 levels of vibration & static. 4. Featured power saving design with automatic standby and memory function. 5. Easy to operate and ergonomic transmitter. 6. Durable and adjustable nylon strap (Diameter from 16 cm to 32cm). 7. The most effective and safest training system with auto-protect mode, metal probes for avoiding scratch. 8. Patented design and certificate with CE, R&TTE, RoHS.