SunUV via Amazon offers the SunUV Sun8 LED UV Nail Dryer Curing Lamp in White or Black for $31.99. Coupon code "ZBJAD7UT" drops it to $19.83. With free shipping, that's the lowest price we could find by $10. It features an automatic sensing mode and three timed settings. Deal ends January 31.

Update: The price has dropped to $25.49 before coupon, $17.84 after.