Item Type: Dog Bark Collar Material: ABS Voltage: 5V Frequency: 433MHz Waterproof Rating: IP67 Remote Control Battery: Li Polymer 300mAh (Included) Receiver Battery: Li Polymer 300mAh (Included) Charging Time: 2 Hours Radio Power: 10MW Working Temperature: 0-40℃ Remote Control Range: Horizontal Plane Ideal Environment Up to 800m/874.9yd Applicable Objects: Dogs Over 3 Months Old Weight: Approx. 276g/9.7oz 1、[800m Range] Under ideal environmental conditions, the remote control distance of the bark collar can up to 800m, easily train your dog in the park or backyard. 2、[Multipurpose] Use this dog training collar to correct your dog's barking, walking, leash training, sitting, aggression and other behavioral obedience. 3、[Easy To Use] Control 3 electronic dog training collar receivers to train your dog under your control without yelling at him anymore, save time and effort. 4、[IP67 Waterproof] Dog training collar receiver supports IP67 waterproof protection and can be used to train your dog in various water activities, even in rainy days. 5、[Adjustable] Dog barking stopper receiver is equipped with adjustable soft PU collar, suitable for medium or large dogs to wear, comfortable without strangling neck. 1 x Remote Control 1 x Dog Bark Receiver 1 x Dog Bark Collar Band 1 x Charging Cable 1 x Test Light 4 x Silicone Cover 1 x Manual 1 x Lanyard 2 x Screw