Beeebo-us via Amazon offers Prime members the Dodocool Himalayan Salt Lamp Night Light for $15.99. Coupon code "5HAFZMT7" cuts it to $11.99. With free shipping, that's tied with our August mention and the lowest price we could find by $6. It features a 10-watt incandescent bulb, on/off switch, and a 270° rotatable plug. Deal ends December 13.