Night lighting design: The dog collar light can be illuminated at night with a visible range of more than 1/2 mile, which is very suitable for walking or traveling at night to ensure the safety of you and your pet. Upgraded rotatable lampshade: The lampshade is designed to be rotatable, and the switch is designed as a compact contact press type. (Reminder: It is recommended to rotate the switch to the top clip to avoid accidental touches by pets and cause the lights to go out.) 3 light modes + 6 extra batteries: This luminous dog light has 3 settings: keep the light on for 30 hours, flash for 60 hours, and flash for 100 hours. The dog collar flash comes with six collar lights-blue, pink, yellow, green, red, orange, and 6 portable spare batteries. Multiple uses: The dog light collar provides bright enough ambient lighting for reading, finding keys or keyholes, locating tent lines and camping equipment. When running or cycling at night, it can be hung on the body or on a bicycle to