Smart Digital Group Limited Optoma 4K home cinema projector UHD51 Bright 2400 lumens & 500,000:1 high contrast Brand new designed lens for 4K UHD resolution with 1.3x zoom and perfect throw for theater room or living room use Product #: smartd-Optoma 4K home cinema projector UHD51 Regular price: $HKD $14500.0 Available from: Smart Digital Group Limited In stock