https://amzn.to/45j9tJy DARKBEAM LED USB Rechargeable Dual Light Headlamp w/ Motion Sensor on sale for $8.99 - $0.90 (clip the 10% off coupon on the item page) - $$4.50 (apply promo code R2NAZT4L at checkout) = $3.59. Shipping is free with Prime or on $35+ orders.