SunUV via Amazon offers the SunUV 36-watt LED UV Nail Dryer Curing Lamp for $36.99. Coupon code "4POWPW5H" cuts it to $29.96. With free shipping, that's a savings of $7 off list price. It features an automatic sensing mode, LCD screen, and four timer settings.

Note: The same code cuts the 48-watt lamp from $46.99 to $38.06. Both deals end December 19.