Educator

Two dog system with 1/2 mile range , Completely Waterproof to 500 , Shock Resistant to 5000 Gs
Small receiver (2″x1.5″x1″, 2.4 oz) for dogs 5 pounds and larger
Includes two mini ergonomic “stopwatch” transmitters (2.64″ dia. x 1.29″) well-suited for small hands or in situations where discreetness is important