Brand CHANFONG Model ZF-853 Quantity 1 piece(s) per pack Color Black Material Environment friendly plastic Suitable Pet Dog Specification It is mainly used for outdoor environment to prevent dog attacks and training dog; The excitation of the 130db of ultrasound on a dog's hearing is significant it is twice of common product; Super-bright flashing LED's also make the dog clear where the source and location is; Red laser power is less than 1mW safe; Powered by 1 x 6F22 9V battery (included) Packing List 1 x Dog repeller 1 x 9V Battery 1 x English user manual