The Dogtra YS 600 anti-bark collar replaces the YS 500
It is a low to high adjustable bark collar for large dogs with 10 levels of stimulation
and a vibration mode only with the High Powered Pager / vibration mode.
Features include:
Ergonomic receiver / collar Improved contact points
Precise stimulation level (0-10)
2 hours fast charging
Lithium Polymer batteries from low to high power stimulation
Fully waterproof receiver / collar
Advanced Bark Sensor Technology