[Night light design]-This dog collar light can be illuminated at night with a visibility of more than 1/2 mile, making it obvious when walking or traveling at night, ensuring the safety of you and your pet. It is light in weight and will not burden your pets, they will not even feel it, so there is no need to worry about chewing. [3 lighting modes]-This luminous dog light has 3 lighting modes: always on for 30 hours, flash mode for 35 hours and off mode. Just press the middle part to switch the lighting mode. Using a safe stainless steel spring clip, it can be easily clipped to the D-ring on the dog collar. [Durable and waterproof]-The snap-on dog collar light is made of sturdy stainless steel clips, which are not easy to fall off. The sturdy ABS material and waterproof IP44 design can be used on rainy and muddy roads, but it is not suitable for diving. [Rotatable lampshade]-The lampshade adopts a rotatable design, and the switch is pushed to open compactly. This way you can easily replace the battery for long-term use. (** It is recommended to turn the switch to the top clip to prevent pets from accidentally touching and causing the light to go out.) [Multi-purposes]-Dog collar lights can not only protect your pets, but also remind other pedestrians or vehicles hanging on your body or on your bicycle when you run or ride a bicycle at night. It can provide ambient light for reading outdoors, finding keys or keyholes, locating tent lines and camping equipment, and can also be attached to people to improve visibility. Product description Night light design-this dog collar light can be lit at night with a visible range of more than 1/2 mile, allowing you to stand out during night walks or travel, ensuring the safety of you and your pets. Small and lightweight-light weight, it will not burden your pets, they will not even feel it, dont worry about chewing. 3 lighting modes-This luminous dog light has 3 lighting modes: always on for 30 hours, flash mode for 35 hours and off mode. Just press the middle part to switch the lighting mode. Durable and waterproof-the snap-on dog collar light is made of a sturdy stainless steel clip, which is not easy to fall off. The sturdy ABS material and waterproof IP44 design can be used on rainy and muddy roads. Wide water surface design-Preserve natural running water and large water surface to increase pets' interest in drinking water. Multi-purpose-Dog collar lights can not only protect your pets, but also remind other pedestrians or vehicles to hang on your body or bicycle when you run or ride a bicycle at night. It can provide ambient light for reading outdoors, finding keys or keyholes, locating tent lines and camping equipment, and can also be attached to people to improve visibility. Attention: * The lamp has a certain waterproof effect, but please do not soak in water. ** It is neither a chew toy for pets nor a toy for children. Contains batteries, please use with caution. Contains small parts, please keep away from children under 3 years old. Specification: * Battery mode: CR2032 * Material: ABS+Stainless Steel * Run time in luminous mode: 30 hours * Flash mode running time: 35 hours * Lighting mode: always on mode, flash mode, off * Weight: 13.5g * Product size: 5.5 x 3.5 x 2.5cm Package content: * 2 x LED dog collar lights