(Low to medium power)
The Dogtra 200C is a 1/2-mile range compact e-collar, designed for intuitive control. The transmitter is ergonomically designed, using a front-facing dial and tactically placed buttons that let you intuitively control the stimulation levels and inputs at your fingertips. The 200C e-collar comes with a fully waterproof receiver and handheld transmitter that outputs low-mid stimulation in 0-100 levels. A great remote training tool for basic obedience training and entry level field training for a smaller dog. 
Features:
1/2-Mile Range
Fully Waterproof System
Medium Output Receiver
100 Stimulation Levels/Front-Facing Dial
Nick/Constant Stimulation & HPP (High Performance Pager) Vibration
Enhanced Contact Points
Ultra Compact Receiver
2-Hour Rapid Charge Batteries
For Dogs as Small as 10 lbs
Available in 2-Dog System - 202C
Includes:
Transmitter
Receiver Collar
Charger & Splitter Cable
Owner's manual