Description: Light color: Blue Material: Nylon + LED Bust Size: 28-32cm, Width: 2.5cm Modes: Quick flash-slow flash-still on Battery: 2 * CR2032 button batteries (no included) Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2. Please allow 1-5mm measuring deviation due to manual measurement. Package includes: 1pc Pet LED Collar