DGX1052 Features: * Remote trainer * Expand up to 2 dogs * Output receiver for stubborn dogs * Rechargeable Ni-MH batteries * Fully waterproof transmitter and receiver/collar * LCD screen displays exact level of stimulation even in dark or low light conditions * Three bar battery life LED indicator * SureStim positive vibration feature in transmitter * Precise stimulation level (0-127) * Stimulation types in Nick, Constant, and a non-stimulating Pager vibration * Interchangeable Rheostat intensity dial or Selector "Step" dial stimulation * 0.5 Mile range Dimensions: * Dimensions: 2" H x 6 - 32" W x 0.01" D - Fit small/medium dogs 20lbs and up