PZRLit Super Bright Light Up Dog Collar for the dark is an ultra high quality illuminated LED dog collar to keep our loved ones safe when outside at night. Compared to other light up dog collars, the PZRLit is extremely visible ,safety and security for dog walking or running at night, meanwhile, eye-catching & looking awesome , which is good gift for your pet dogs, just buy it.\r\n\r\nUSB Rechargeable\r\n360 Degrees visible\r\nWeather resistant\r\n\r\n3 different Size:\r\nSmall 15~19” (38cm~48cm)\r\nMedium 18”~22”(46cm~56cm)\r\nLarge 21”~26”(54cm~66cm)\r\n4 settings: fast flash, slow flash, steady glow, then off\r\n\r\nPackage:\r\n1* light up dog collars\r\n1* Micro cable