Thumb Score: +20 Yi Technology via Amazon has YI Technology 4K Action Video Camera (US Edition, White Pearl) on sale for $155.99 after promo code PGOFWXXO. Shipping is free. Thanks munzdeals92 Deal Editor's Notes & Price Research: [LIST][*]Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited music, unlimited video streaming & more.