T50R Remote Dog Training Collar 1-2 Dogs 900mT50R Remote Dog Training Collar 1 2 Dogs 900m Features: SAFE TRAINING EVEN IF A BEGINNERABBIDOT e collar features 101 training levels. 99 static stimulation: general (1~16) and boosted (17~99). Standard Stimulation is less stressful for the dogs, while still providing sufficient incentive for compliance with your commands. Boosted Stimulation gives the owner the ability to control large size or stubborn dogs without the risk of over stimulation. 5