... pixels• Zoom and focus: manual• Luminous flux: 30 Lumen• Built-in flash: 4GB (Optional: 1GB~8GB)• External memory: TF card• Touch keypad, ... , AV,YPBPR input,Can Connect with PC/laptop to project• Built-in speaker, with earphone jack can connect to external ... , business demo:Packaging Gift-box: 4GB Mini Projector with Multimedia functions, support TF card, high brightness and high contrast ratio