Shade material: iron.Switch type: button type.Power supply mode: USB/battery optional.Additional function: natural salt stone purifies the air.Applicable space: living room, study room, bedroom.effect:The salt lamp can relieve stress, help people relax, and stabilize the mood can help improve sleep allergies and relax mood.Precautions:When the air is relatively humid, the surface of the salt lamp may be dampened or turned into water. The moisture will disappear automatically after lighting the salt lamp for a while.When there is dust on the surface of the salt lamp, turn on the salt lamp for several hours. After the surface is dry, wipe it with a clean soft cloth or use a small vacuum cleaner to remove the dust.Do not rinse with water when the new salt arrives (wet wipes, damp cloth to wipe off the dust! Put it to dry and put it in the lamp.)Package list:1 *Desk lampspecial reminder:1. All products grow. Due to different monitors, different camera equipment, different lighting, etc., chromatic aberration may occur. If you are too sensitive to colors, please buy with caution.2. Manually measure the size of the product, the size error is inevitable. If you are particularly worried, please handle it carefully.Please allow a small amount of error due to manual measurement, thank you.