eCase via Amazon offers the Kmashi Rechargeable LED Headlamp for $21.99. Coupon code "NQ3HTX6I" drops it to $11.99. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $5.40.) That's $5 under our mention from last August and the lowest total price we've seen. (It's the best deal today by $10.) This water-resistant headlamp features two brightness levels, up to a 2,600-foot lighting distance, 45° rotatable lamp, adjustable headband, and built-in rechargeable Li-ion battery with up to 10 hours of run-time per charge. It comes with a wall charger.