Description: This warning light will keep your dog safe by keeping it visible, safe and visible. The flashing LED safety light can be illuminated at night and is visible more than half a mile. It will make vehicles see your dog well in advance in the dark, effectively preventing your dog from unexpected danger during night walks. Specification: Light Emitting Mode: Fast Flashing/Slow Flashing/Steady LightProduct Size: About 3*8*13cm/1.18*3.15*5.12 inches Charging Method: Convenient USB ChargingColor: Red, Blue, Green, WhitePacking List:1*Dog Collar Notes: Due to the lighting effects and shooting angles, the color of the item and shown in the picture may have nuance. Due to manual measurements, there may be a difference in product size.