Mini laptop projector,good presentation

1.laptop projector,mini projector,cheap mini projector
2.project the size up to 70"
3.easy operation,slim design,low power
Brightness:10lumens
Display technology:LCOS
Resolution:640*480
Aspect ratio:4:3
Contrast ratio:200:1
Lamp:LED,over 20,000hours lamp life time
Support USB input,show PC screen by USB cable(need to install specified software)
Built -in1GB,saving photos(JPEG)
Languages:Traditional Chinese,Simplified Chinese,English(500pcs add other languages menu)
Remote Control:Yes
Focus mode:Manual focus,projects the size of 7"-70"
Power supply:connect pc by USB cable for power on,no battery
Compatibility with Windows XP 32bit/Vista 32bit/Win 7 32bit operation system
Packing:
Accessories:USB cable,Tripod,Remote control,User manual
Unit size:100*68*20mm Color box size:16.8*12.2*6.8cm
N.W:85g G.W:325g
Carton size:53.4*27.4*25.4cm 18pcs/ctn
N.W:5.85KG G.W:7.35KG
Warranty:
1.if function fault,we can replace the same items but keeping projectors and packing undamaged;Each paid half shipping fee.If terrible, technicist will be sent to service.

2.we can provide 1% spare parts for accessories,accessories is not in warranty.

3.If need to provide after service,should provide our Guarantee Card,any artificially demage ,dismantling machine by yourself is not in warranty.