BenQ 5J.J9H28.A01 BenQ 5J.J9H28.A01 Wireless FHD Kit WDP01 for HT1075 and HT1085ST PRJ Projector Accessory 1080P 3D Support Transmission up to 20 meters (line-of-sight) DFS (Dynamic Frequency Selection) &lt; 1ms latency 1080P 3D Support