Finally, the Dogtra expandable system is available. Dogtra SureStim H is fully expandable to a two-dog unit and feature a pager in the handheld transmitter, acknowledging that you have fully engaged the transmitter buttons. Ideal for stubborn dogs.

Features:

• For small/medium dogs
• Expand up to 2 dogs.
• SureStim positive vibration feature in transmitter
• Precise stimulation level (0-127)
• Low high output receiver for stubborn dogs
• 1/2 mile range
• Stimulation types in Nick, Constant, and a non-stimulating Pager vibration
• Interchangeable Rheostat intensity dial or Selector "Step" dial stimulation
• Stimulation types in Nick, Constant, and a non-stimulating Pager vibration mode
• Rechargeable Ni-MH batteries
• Fully waterproof transmitter and receiver/collar
• LCD screen displays exact level of stimulation even in dark or low light conditions
• Three bar battery life LED indicator
• User expandable to a two-dog system

System includes:

• Transmitter
• Collar / Receiver
• Battery charger and splitter cable
• Belt clip
• Owner's manual