The 2300NCP Advance with LCD screen is a true multipurpose e-collar for mild mannered or stubborn dogs. It's designed for advanced level pet training, competition field work or any type of hunting where a 3/4-mile range is needed. 2-hour rapid charge Lithium Polymer battery. Low to high power. Rheostat dial allows for gradual increases in stimulation intensity with no jumps between levels (0-127). Two-dog models allow the trainer to control two different dogs from one transmitter without the hassle of handling unnecessary parts. dogtra 2300NCP Advance Series has a 3/4-mile range. Stimulation type- Nick , Constant and non stimulating pager/vibration. Dogtra 2300NCP Advance Series uses a new Lithium Polymer battery that provides a 2-hour rapid charge. Fully Waterproof collar/receiver and transmitter. Easily visible blue LCD screen displays exact level of stimulation and can be seen in the dark or low light conditions. Three bar battery life indicator and LED colored indicator to show remaining battery life. Package includes: Transmitter. Receiver (two collar receivers for dogtra two-dog models). Battery charger and splitter cable. Test light. Owner's manual & carrying case.