Product Description: Item Type:Pet LED Collar Material:Silicone, ABS Color:White,Yellow,Blue,Green,Red,Light Red Feature:Durable Target Audience:Dogs Length:S:35cm/13.78",M:50cm/19.69",L"70cm/27.56" Diameter(tube):1cm/0.39" Flash Mode:Flash, Slow Flash, Long Bright. Power:USB Quanlity(lights):S:6,M:8,L:12 Features: 1. Function: this product is suitable for pet to walk at night, and it has the function of safety warning. 2. Adjustable: the length of the pet silicone belt can be cut to adjust. 3. Charging Time: 30-40 minutes, with charging light instructions, and it will be out when being full. Luminescence time: flash 3-5 hours, often bright: about 2.5 hours. 4. LED: sufficient power, the visibility of the LED lamp can reach 500 meters. 5. More Choices: there are five colors for option, and you can choose the favorite one according to hobbies and demands. Package Include: 1 x pet collar Notes: 1. Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors. 2. Due to the screen difference, the color may be a little difference from what you expect, please allow it. Function: this product is suitable for pet to walk at night, and it has the function of safety warning. Adjustable: the length of the pet silicone belt can be cut to adjust. Charging Time: 30-40 minutes, with charging light instructions, and it will be out when being full. Luminescence time: flash 3-5 hours, often bright: about 2.5 hours. LED: sufficient power, the visibility of the LED lamp can reach 500 meters. More Choices: there are five colors for option, and you can choose the favorite one according to hobbies and demands.