Enjoying Spotlit LED Lights for Dogs Puppy Cats Doggie Pets 8 colours The Item have three modes:1.Steady On 2.fast flash 3.normal flash, each one have more than 60 hours working time and is easily replaceable batteries Lenth 5.5cm (2.2 inch),diameter 3.5cm(1.4 inch),thickness 2.5cm(1 inch) Multi-colored is Colorful LED , But can't shoot the colorful effect Available in red, orange, yellow, green, blue, pink, White,creamy white and colorful