Model: PET851 Color: Black Material: Plastic 7 instensity levels(1-7) for a wide variety of dispositions 5 sensitivity levels(1-5) adjustable for different dogs and environments Easy testing method to check the No Bark Collar Small size and light weight Waterproof function Multi-color LED battery life indicator Powered by 6V alkaline battery(included) Package included:1 x 4A76 6V battery, 1 x Collar strap(70cm), 1 x Testing light, 4 x Contact points, 1 x English Manual Product dimensions: 6.7 x 4 x 3.5cm, weight:60g Package dimensions: 15.5 x 9.7 x 4.7cm, weight:183g