Be seen and be safe: you will get 1 piece of pet collar LED light in transparent shell and rainbow color light; Clip this dog light to the dog collar will ensure you and your dog be seen when going outside in the dark; The light is bright and highly visible to remind other pedestrians or vehicles to avoid accidents at night High precision: the shape O ring ensures smooth and accurate operation; The measuring arm rotates freely and can be applied in a variety of angle measurement, creating a nice decoration for the crown shape and bottom shape Wide purpose: this engineered miter saw protractor can be applied in a variety of industries, such as, carpentry, carpentry, plumber and cons truction industry and others which need to measure and change Long service time: the shell is made of quality plastic and the ring buckle is made of stainless steel, which is anti-rust; With a CR2032 battery included, this pet collar light can run up to 30 hours under the continuous lighting mode; It is