Advanced RF434Mhz Technology boosts range up to 330 yards.
Built-in high capacity lithium rechargeable batteries (500mAh for transmitter and 240mAh for receiver)
4 modes: static shock, vibration, beep and light. 100 levels of static shock and vibration stimulation.
Fits all dogs. From 15 to 100 lbs with a TPU collar size from 7 to 27 inches long.
With extra necessary accessory to turn on the reset button.