The DogWatch R7 Mini Receiver-Collar weighs 1.1 ounces and is less than 1.25 cubic inches in size. It's best feature is a LONGER battery life than any other receiver it's size - 6 Months. The R7 Mini is best for small dogs (and cats) that are LESS than 15 pounds in size.
The kit includes everything you will need for your pet; 1 battery, 1 standard strap, 2 posts, etc.
*** Includes a LIFETIME WARRANTY on the Receiver ***