Expand your training capabilities with the Dogtra EDGE 1 Mile Extra Dog Collar Blue. Simply attach this collar receiver to your Dogtra EDGE Remote Trainer and increase the number of dogs you can train. Keep your furry friends in check while having fun!

Features:

• Available in black, orange, blue or green.
• Fully waterproof.
• Built-in receiver/collar location LED lights with 4 selectable colors (white, red, blue, green).
• Nick, continuous and non-stimulating pager modes
• 2-hour rapid charge lithium polymer batteries