Highlights Type: Auto Dog Barking Training Collar Material: ABS & Reflective Nylon Sensitivity: 7 Levels Waterproof IPX4 Battery: Built-in / Rechargeable 280Mah Standby Time: Up to 14 days Colours: Black, Silver, Gold Collar size:6.5x4x2.5cm/2.55”x1.57”x0.98” Product Description: 1– BUILT IN SECURITY MODE: Security is the most important thing. The built-in no bark receiver features an automatic protection mode to deactivate the collar if activated 7 times in 1 minute, after one minute it will back to work. Dogs are quick learners – once they realize they can avoid the annoying beep and buzz they stop barking. 2– RECHARGEABLE And RAINPROOF: Built-in USB rechargeable battery, lasting about 14 days to solve the issue of batteries replaced frequently. Rainproof in rain, but not in water. Adjustable anti-bark collar. 3– BETTER EXPERIENCE: Constantly press the corresponding function of the button, then you can adjust the gear. What’s in the box: 1x Dog Collar 1x USB Cable Weight: 0.3 SKU: 200202054349