BH500R 2-in-1 Anti-Bark and Remote Dog Training Collar 1-2 Dogs 600mBH500R 2 in 1 Anti Bark and Remote Dog Training Collar 1 2 Dogs 600m The BARKAHOLICS BH500R 2 in 1 Anti Bark and Remote Dog Training Collar is the perfect choice for training up to two dogs. Featuring adjustable shock and vibration, a 600m 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 99 adjustable stimulation levels, you can fine