PetSafe Plastic Pet Door – For Dogs and Cats – Size Medium– Designed for Pets Up to 40 lb – Easy DIY Installation

About this item No-Shock Mode: Press the shock setting button to adjust the level to”0″, suitable for dogs under 55 lbs. Double Safe: 2 activation conditions, Bark and vibration from vocal cords. Two Silicone Sleeves can protect the dog’s skin from damage. Bark collar with 5 intensity levels and 3 sensitivity levels. There are 3 test training modes of beep, vibration and shock, providing a variety of training methods. Dog barking collar is rechargeable. It gets charged in only 2 hours and works about 14 days with 1 battery life. USB cable comes with the device. With collar straps, the size can be adjusted freely. Suitable for dogs 8-110 lbs. The bark collar is resistant to rain, snow and mud splashes. You can walk with your pet indoors and outdoors in any weather.