Specifications Rated Voltage: AC 100-240V UK 3pin Plug Rated Frequency: 50/60Hz Rated Power: 40W Ram + Rom: 1GB + 8GB WiFi: 2.4Ghz & 5Ghz Bluetooth: 5.0 Lamp Type: LED, 50,000 Hours Life Contrast Ratio: 1000:1 Aspect Ratio: 16:9 / 4:3 Picture Size: 30"-150" Projection Distance: 0.9-4.2m Throw Ratio: 1.33:1 Speaker: 3W *1 Ports: HDMI, USB and Audio output Noise: <35db Product Size: 120 × 156 × 178mm Product Net Weight: 1KG