Build Home Theater BYINTEK BT140 vs UC40

BYINTEK BT140(Left) vs UC40(Right) BT140 is newest model ; UC40 is old model (2015 model) BT140 : LED 50Watts ; UC40 : LED 40Watts. BT140 is best mini projector less than 90USD ! BYINTEK BT140:http://suo.im/160qOk If you have any questions of our projector, feel free to contact us. Facebook:http://suo.im/1C7L2 Whatsapp: +8615367942004 VK: http://suo.im/2Ge3KN Store:http://suo.im/lI0aq