Product Information : Type: Household Operating System: No Operating System Projection Technology: Led Resolution: 320*240 Power Consumption: 20w Brightness: 25 Ansi Screen Ratio: 4:3/16:9 Projection Method: Hoisting Front Projection Input Port: Av/Hdmi/Usb/5v-2a Power Input: Output Port Headphones: Plug And Play Adjustment Function: Manual Wireless Projection Function: Does Not Support Delivery Screen Size: 16-100 Inches (Cm) [...]