PetSafe Deluxe No Bark Dog Collar:

• One of the smallest electronic bark collar available - Receiver Size: 1.7 ounces, 2" x 1.25" x 1"
• 18 levels of electronic correction
• Correction levels increase automatically with continued barking, allowing the dog to determine what is appropriate
• Five positions - Select from "Off", Correction or Test modes
• LED low battery warning
• Lifetime Warranty
• Owners Manual