Light-up Collar for Dogs Sizes: S, M, L Colors (Light Modes): Orange, Red, Blue, White, Pink The light mode changes with the number of times the switch is pressed. ① Flashes white at a slow and fast pace. ② Flashes white at a fast and slow pace. ③ Colors such as blue, green, purple, red, yellow, white, and light blue change and flash in sequence. (Color cannot be fixed) ④ Power off Features ・Light-up collar for dogs (with on/off switch) ・3 light patterns ・Collar is rechargeable (cable included) ・Collar size can be adjusted to fit your dog You can adjust the size of the light-up collar by cutting the light-up (ring) part with scissors. Because the joints are secure, we will ship the collar with this part pre-removed. Due to being manufactured overseas, there may be rare instances of minor scratches or stains on the product. Please understand this before purchasing. We thoroughly inspect the functionality, but if there is a defective product, please let us know before leaving a review, and we will address it. Thank you.