Dogtra Train and Beep 2 Dog System: * Designed for the serious upland hunter * Rheostat intensity dial allows for gradual adjustment * Stimulation intensity (127 levels) * Nick and constant stimulation modes * Fully waterproof * 1-mile range * Beeper range of 400 yd * Green collar set for the high tone * Orange collar set for the low tone * Running/Pointing mode: * Emits a slow beep when the dog is running * Resumes to a rapid beep when the dog is on point * 3 levels within the high tone and low tone * High tone: H3-high, H2-medium and H1-soft * Low tone: L3-high, L2-medium and L1-soft * Pointing mode: * Collar will remain silent while the dog is running * When the dog goes on point, it will begin to emit sounds * Tri-color LED battery life indicator * Includes 2 dog collars * Model# 2502T&B