BH523R 2-in-1 Anti-Bark and Remote Dog Training Collar 1-3 Dogs 1000mBH523R 2 in 1 Anti Bark and Remote Dog Training Collar 1 3 Dogs 1000m The BARKAHOLICS BH523R is the perfect choice for training up to two dogs. Featuring adjustable shock and vibration, a 1000m range, IPX7 waterproof technology, and a rechargeable battery, it combines remote training and auto bark detection for effective and reliable use with any size dog. 1 100 adjustable stimulation levels, you can fine tune this e collars level to suit your dogs