Sometimes, as time going, the internal condensation will seriously damage electronic equipment, photography, material collection, etc. Therefore, you needs indicating desiccant, moisture absorbent dehumidifier to be protected the items from moisture. Features -Color:Orange -Material:Silicone, Aluminum -Size:10.50X5.50X1.20cm/4.13X2.16X0.47in -These can prevent excess moisture and condensation and keep the items in its original/fresh state. -Reusable indicating desiccant, The beads change from orange to dark green, which means it's time to charge. -The scope of applications is wide, such as safes, cameras, wardrobes, shoe cabinets, electronics, electrical appliances, etc. -Safely absorb moisture without any chemical reactions. Adequate quantity can easily meet your daily use and replacement needs. -When the silica gel particles turn into dark green, and then can it into the microwave to heat it until it turns orange before continuing to use.Package list: 5 x aluminum tin desiccants