The BT05 Combo features a half-mile range on flat terrain, five levels of stimulation voltage and a beeper activated by the transmitter. The unit also offers secure address codes with 12 million possibilities and a new waterproof rotary coin slot ON/OFF system with flashing power indicator LED.

The completely waterproof transmitter and receiver will take anything Mother Nature can dish out.

Contact: Lovett's Electronics; (800) 446-1093; www.dogbeepers.com