Fully waterproof, 1/2-mile range. Low to medium power transmitter. Rheostat Intensity Dial that allows for gradual adjustment in stimulation intensity. Stimulation type-Nick, Constant, and non-electrical stimulating Pager/Vibration. Rechargeable Ni-MH batteries. LCD screen displays exact numeric level of stimulation clearly and accurately. Tri-color LED Battery Life Indicator.
