a distanza 500m formazione collare di cane e collare beeper

a distanza 500m formazione collare di cane e collare beeper       a distanza 500m formazione collare di cane e collare beeper     1,  Big LCD and blue backlight with transmitter display 2,  Waterproof design for training and beeper collars; 3,  Five hundred meters remote range; 4,  Rechargeable Lithium battery for remote and collars; 5,  Nine intensity level of vibration and tones; 6,  Two channels to control 2 dogs at same time; 7,  Two workable ways for beeper collar and training collar; 8,  Locate Mode easily to found your dog;