The 280C comes with Nick and Constant stimulation modes, along with a non-stimulating High Performance Pager. The handheld transmitter and receiver/collar features 2-hour rapid charge batteries, along with a mile range. The set is fully waterproof and the LCD on the transmitter displays the remaining battery life and the exact level of stimulation output. nPackage Contents Transmitter, Receiver two receiver/collars for Dogtra two-dog models , Battery charger and splitter cable, and Owner's manual. Features n Ultra-compact receiver/collar designed for smaller dogsn Checkered grips on the handheld transmittern Precise stimulation level 0-127 n 2-hour rapid charge Lithium Polymer batteriesn LCD screen displays exact level of stimulation even in dark or low light conditionsItem Details