KL-2800 Dog Trainer Rugged dependability and excellent range at a reasonable price. Basic Remote Dog Training Collars are great for teaching your dog basic obedience. They are designed to aid you in teaching your dog basic commands like "no", "OK", "sit", "heel", "stay", "down", & "come" when called using an collar. Product Details: *Easy-to-use, ergonomic transmitter. *Waterproof collar/receiver. *Receiver with rechargeable batteries *1000 meter range. *The transmitter is the only address code, and will not conflict. *Vibration, Constant, & impulse stimulation (adjustable intensity) *Transmitter Weight: 38g *Transmitter Size: 85mmx37mmx16mm *Receiver Weight: 86g *Receiver Size: 75mmx46mmx42mm