The new 2502 2 Dog Trainer and Beeper provides 400 yards of dependable coverage from a fully waterproof transmitter unit. Your dogs will appreciate the built-in beeper horn, which replaces the need for an additional horn attached to their heads. The 2502 TandB includes 127 units of stimulation, as well as three volume selectors, allowing the trainer to simulate run/point, point, and locate only situations. The easy-to-read LCD screen notifies you of your current intensity level and battery power. Lithium batteries offer a speedy, two-hour charge.