The Contact Standard Transmitter with Bark Indicator has identical specifications to the Standard Transmitter, with the addition of a bark sensor, which provides immediate notification that your dog has located its game. Also the battery life is reduced to 250 hours with the bark indicator option.

• 12-mile range.
• Transmitter collar weighs 6 oz.
• Operates on a 3.6-volt lithium battery for up to 250 hours
• Rugged, waterproof construction
• Built-in activity sensor to let you know if your dog is on the move