Here's a no-bark collar that is made with the same durable electronics that are found in Dogtra's
popular remote training collars. Designed for medium and large dogs, the waterproof YS500 has seven
variable stimulation settings for a variety of dispositions. The YS500 also has a 2-second delay safety
feature built in. Long-lasting ni-mh rechargeable batteries. Battery charger included.
Receiver dimensions: 3.1" x 1.8" x 1.7". Weight: 7.4 oz.