Warranty: 1 Year Features: LCD Panel Size: 2.69 inch Brightness: 4500 Lumens Native Resolution: 1280 x 720 (HD) RAM: 2 GB ROM: 16 GB Contrast Ratio: 4000:1 Aspect Ratio: 16:9 & 4:3 Focus: Manual Keystone Correction: Auto Projection Size: Up to 120" (Diagonal) Projection Distance: 1.2 - 4 m (40" - 130") Light Source: LED Lamp Life: Up to 50,000 Hours Built-in Speaker: 3W Ports: HDMI, USB, Audio (3.5mm) Wi-Fi: Dual Band 2.4G & 5G Bluetooth: Version 5.0 Power Supply: 100-240V / 50-60Hz Technical Specifications: LCD Panel Size: 2.69 inch Brightness: 4500 Lumens Native Resolution: 1280 x 720 (HD) RAM: 2 GB ROM: 16 GB Contrast Ratio: 4000:1 Aspect Ratio: 16:9 & 4:3 Focus: Manual Keystone Correction: Auto Projection Size: Up to 120" (Diagonal) Projection Distance: 1.2 - 4 m (40" - 130") Light Source: LED Lamp Life: Up to 50,000 Hours Built-in Speaker: 3W Ports: HDMI, USB, Audio (3.5mm) Wi-Fi: Dual Band 2.4G & 5G Bluetooth: Version 5.0 Power Supply: 100-240V / 50-60Hz