Specifications:Creative LED flash light hand spinner and the colorful lights can create 18 kinds of patterns, which looks cool.A good choice for killing time or relieving stress.  It supports 1 minutes up to 4 minutes spin time.Using great bearings: the middle one is a hybrid ceramic bearing for ultra smooth spin.High performance bearing for extremely fast and long spin time.The finger spinner is great for fidgety hands and ADHD sufferers, which helps relieve stress.Perfect size suitable for both adults and kids.Hold spinner in one hand and use the other hand to spin it rapidly.It will spin indefinitely with your small continuous strikes.With practice, you may only use the fingers of one hand to stop and start spinning.Advantages:1. Great for anxiety, focusing, ADHD, autism, quitting bad habits, staying awake.2. Easy to carry, small, simple and fun, also effective for focus and deep thought.3. Perfect finger toy to keep your hands busy or to just play with. It feels nice in the hands and it is silent so you won't be bothering anybody.4. Interior and exterior anti-dust design to protect the bearing. It is known to all that the dust on the bearing will effect its service life and rotating time.Type: Luminous Finger SpinnerShape: TrianglePattern: 18 Kinds of Changing PatternsMaterial: POM Material, 608# Bearing, LEDPower Supply: 3 x Button Batteries (Included)Features: LED Flash Light Finger Spinner, Decompression Toy, Triangle Hand Spinner, Glow In The DarkSize: 7cm x 7cm x 1.3cm/2.76" x 2.76" x 0.51" (Approx.)Notes:If the LED light not work, the battery might runs out of energy in the long-distance transportation, you can use a thin blade pry glass, and replace a new battery.The bearing of this product can not be washed with water! After playing a long time, soak the bearing with alcohol for cleaning.Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.