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Humane and Harmless System - This anti bark dog collar has an adjustable sensitivity and 3 training modes.
Rechargeable and Water Proof - Built-in USB rechargeable battery.
LONG-LASTING BATTERY LIFE - Rapid Charging Lithium Ion Battery Provides a long lasting Battery Life. Auto Power Protect Mode Helps Conserve Battery Life When Not In Use.
These anti bark dog collars can be used continuously for 14 days. LED Display, Electric Ultrasonic Training Collars.