Ergonomic desgin with permanently sealed motor. Eliminating accidental shocks, safety clip prohibits harmful surprises. Solid-state electronic system delivers consistent, superior performance.  The highest output releases a strong and instantaneous jolt, but with the least amount of power to keep the prod  more durable. New charge-up mode, a pin hole was attached to charge the battery up, not slipping up the battery. Rigid fiberglass 32” is Included.