The moisture meter can quickly measure the moisture content of the grain. 1. All kinds of color flickering, have a beautiful feeling in the dark, will build a warm family atmosphere. 2. Suitable for Christmas gifts, toys, promotional items, souvenirs, bedroom/office decorations. 3. If you do not use it for a long time, remove the battery to avoid running out of battery, which can cause corrosion and rusting of the battery. 4. Made of high quality plastic, sturdy, durable and long lasting. 5. Fashionable and beautiful design, exquisite gift for children and lover. Specification: Item Type: Color Fiber Optic Light Material: plastic Color: Colorful Function: Green, Blue, Cyan, Light Blue, Purple, White, Red, Color Changing in Circulation Life: 10000 hours Weight: ok. 92g Package Size: ok. 31x12x10 cm/12,20x4,72x3,94 inch List of packages: 1 x Lamp Holder 1 x Fiber Optic Strap