SportDog SD-400 FieldTrainer System

• Waterproof transmitter and receiver
• Up to 16 levels of continuous and 8 levels of momentary stimulation
• Tone only button
• Low battery detect feature in both transmitter and receiver
• Lanyard included

Full Description: Both the Transmitter and Receiver are waterproof and submersible. It comes as a 1-dog system, but can be expanded to control up to 3 dogs by adding SportDOG Brand Add-A-Dog collars. The comfortable inchsoft coat inch Transmitter finish makes this unit a pleasure to handle. Dog Training Gear the way youd design it. This collar has 400 yards range and expands to 2 or 3 dogs. Replaceable, rechargeable NiMH batteries. Very small transmitter (3. 2 oz. ) and receiver (2. 8 oz. )