XJ-F211WN 3,500 lumens Contrast ratio 20,000:1 wireless-enabled Altro XJ-F21XN 3,300 lumens Contrast ratio 20,000:1 wireless-enabledAltro XJ-F101W 3,500 lumens Contrast ratio 20,000:1 Intelligent brightness controlAltro XJ-F11X Altro XJ-F210WN 3,500 lumens Contrast ratio 20,000:1 Presenting without a PC via USB connection wireless-enabled Altro XJ-F100W 3,500 lumens Contrast ratio 20,000:1 Intelligent brightness controlAltro XJ-F20XN 3,300 lumens Contrast ratio 20,000:1 Presenting without a PC via USB connection wireless-enabledAltro XJ-F10X Altro