Exclusive on Amazon.co.uk, November 20–December 1, 2025 — Save up to £460 on flagship 4K home projectors and portable modelsLONDON, Nov. 20, 2025 (GLOBE NEWSWIRE) -- Dangbei, a leading innovator in smart projection technology, is bringing massive savings to home cinema fans this holiday season. From November 20 to December 1, Dangbei joins Amazon UK’s Black Friday & Cyber Monday event with discounts of up to 35% off on its most popular projectors — including premium 4K home theater models and portable optio ...