Thumb Score: +48

iToncs-US via Amazon [amazon.com] has 30W iToncs 365nm UV Black & White Light Rechargeable Flashlight w/ Magnetic Base on sale for $19.97 – 50% off when you apply promo code UMV5IX7L at checkout = $9.98. Shipping is free w/ Prime or on orders $35+.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, try refreshing the page, re-entering the code, or checking after you select a payment method to confirm whether it already applied.