** Bright, high contrast widescreen projector for mid-size classrooms & meeting rooms: with easy installation, a wide range of enhanced interactivity functions & low ownership costs.** The VPL-SW636C Ultra Short Throw projector is ideal for classroom or corporate use, with simple, flexible installation, low ownership costs, enhanced interactivity & easy connection to other devices. Present big, bright images over 2m across with the projector as little as 47cm from the screen or whiteboard, with less distracting glare & shadows. Advanced 3LCD Bright Era panel technology by Sony ensures high contrast, widescreen WXGA images with excellent colour stability. The projectors powerful 3, 300 lumens colour light output ensures that presentations are always seen clearly, even in brightly-lit environments. Seamless integration with school or office networks can be enhanced with an optional Wi-Fi module, letting students wirelessly share homework, images & graphics from PCs, smartphones & tablets. Learnings made richer & more collaborative with dual pen interactivity, allowing teacher & pupil to write on screen simultaneously. In PC-free interactive mode, you don't even need a connected PC to write, draw & annotate on-screen presentations. Theres a wide range of smart energy-saving features built in. An extra-long lamp replacement time of up to 10, 000 hours minimises costs & reduces downtime in busy classrooms & offices. A newly-designed wall mount bracket makes installation easier in rooms with low ceilings.