No Shock & No Neck Prongs Design- No neck prongs design makes it the most humane barking collar for dogs. 7 progressive levels of sound and vibration are the most efficient way of dog training. Effective for about 95% of small or medium dogs. No False Triggers- Dog bark collar will not react to barks of other dogs avoiding any unfair beeps and vibrations. Just make sure the collar is not too tight and not too loose Extra Accessories- 4 different color faceplates for anti bark collar that can be changed to your preferences or dog's color or gender. Rechargeable and Rainproof- Bark collar for small dogs has a fast-charging battery and energy-saving sleep mode after 1 minute of no barking. A dog can wear it in the rain.