뷰 소닉 코리아 - ViewSonic PT 4000 4 , 000 Lumens SVGA Business Projector 
 The ViewSonic PT 4000 SVGA projector for presentations offers impressive multimedia performance from various devices in small to medium - sized meeting rooms and classrooms . Packed with 4 , 000 ANSI Lumens of high brightness and SuperColor ™ Technology , the projector is guaranteed to project consistent and true - to - life images even in brightly lit environments . It integrates dual HDMI , VGA , Composite inputs and 2 W speaker , fulfilling the needs to project multimedia contents such as online videos . In addition , with the USB Type - A with power supply , it is capable for wireless projection through HDMI wireless dongle for media streaming or mirroring contents from mobile devices . This projector also comes with an energy - efficient smart energy feature which reduces power consumption and extends the lamp life to 15 , 000 hours . 
 PT 4000 HDMI port allows users to project 3 D content directly from 3 D Blu - ray Players and HDMI - enabled devices such as laptops , tablets , and media players . 
 Forgetting to shut off projectors is a common occurrence , especially in public spaces such as classrooms and meeting rooms . PT 4000 ’ s sleep timer allows you to select a period of inactivity that will determine when the projector should put itself into sleep mode automatically . 
 PT 4000 Datasheet ( short version ) 
 PT 4000 Datasheet ( full version )