8 cm (without Stand)74

intuitive access to the IS switch

And a long-lasting battery powers MacBook Air for up to 5 hours and offers up to 30 days of standby time

and ergonomic design

Peerless PRG Precision Projector Mount with Spider Universal Adaptor Plate - PRG-UNV Brand_Tamron 8 cm (without Stand)74Peerless AV's PRG Precision Gear Projector Mount is simplifying the way image alignment is done. The patent pending precision gear design allows exact tilt and roll image positioning by either simply turning two adjustment knobs with a Phillips screw driver; or use the tool less option by extending the knobs to adjust by hand. Just set the precision gear to the desired position to secure it in place it will hold its position even during projector