Dogtra SureStim H Plus

Features
SureStim positive vibration feature in transmitter
Precise stimulation level (0 - 127)
Low high output receiver for stubborn dogs
1/2-mile range
Stimulation types in Nick, Constant, and a non-stimulating Pager vibration mode
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
User expandable to a two-dog system