UPGRADE DESIGN - Once lit the natural himalaya salt lamp,LED light will emit a calming Amber color and will automatically slowly switch colors between: Orange, Blue, pink, red, green and purple.(This product does not include batteries) NATURAL & HAND-CARVED - Originated from Himalayan Mountains in Pakistan, the salt rock lamp simulates the shape of a sphere for hand-carved. Every Himalayan salt rock is 100% pure and of the highest quality. Due to the raw material of the salt block And hand carved, every Ball salt lamp is unique.(This product does not include batteries) REDUCE STRESS & HEALTH - Are you feeling restless and stressed? Whether you are at work or at home, you can turn on our salt rock lamps. Soft changing lighting can reduce stress and improve sleep quality.(Don't generate strong heat). IDEAL GIFT - Creating an uplifting and calming atmosphere make you feel healthy and energic. The salt rock lamp can be used in your home, meditation room,office......