​​​​​Works great. Selling b/c it fixed the behavior issues I needed to address and I no longer need it.  Selling on Amazon for $179.99 brand new.

• One dog system with 1/2 mile range
• Small receiver (2"x1.5"x1", 2.4 oz) for dogs 5 pounds and larger
• Mini ergonomic "stopwatch" transmitter (2.64" diameter x 1.29" thick) is well-suited for small hands or in situations where discreetness is important
• Delivers a tapping sensation similar to vibration, but more intense, making it an effective addition to the stimulation
• User-selectable stimulation levels from 1 to 100 with additional boost stimulus selectable from 1 to 60
• Includes two sets of contact points (5/8" and 3/4")
• Lithium-polymer rechargeable batteries with dual charger; 2-hour full charge,