Llisting includes the unit shown in the photos. Sony TMR-PJ1 3D Sync Transmitter. Compatible with various Sony 3D Projectors and 3D Glasses. These projectors incorprate a 3D Sync transmitter. Depending on the installation environment of the projector, the 3D glasses may not received 3D signals properly from the projectors built-in 3D Sync Transmitter. In this case, connect an optional TMR-PJ1 3D Sync Transmitter and place it near your viewing position. Tip Place the optional TMR-PJ1 3D Sync Transmitter directly facing the 3D glasses. Also, in order to stabilize operation of the 3D glasses, it is recommended that you place the 3D Sync Transmitter near your viewing position. CAUTION Be sure to use straight-type LAN cable of up to 15 m labeled TYPE CM, and do not use an extension cord.The 3D SYNC connector is dedicated for the optional 3D Sync Transmitter. Do not connect computers or other network devices, to avoid malfunction. • Be sure to use straight-type LAN cable (not supplied) labeled Cat-7 (Category 7). If you use other than the specified cable, the 3D Sync Transmitter may occasionally not work. • Be sure to use cable of up to 15 m, and do not use an extension cord. Also, keep the LAN cable away from any AC power cords as much as possible. • Up to one TMR-PJ1 can be connected to a projector. Never connect multiple TMR-PJ1 units, which may cause a malfunction. • When connected to the TMR-PJ1, the built-in 3D Sync Transmitter feature of the projector will automatically turn off. You cannot use both at the same time. Compatible projectors use the TDG-PJ1 IR-type 3D glasses and have a LAN-type port labeled 3D SYNC , including: VPL-HW30ES/30AES VPL-HW35ES/40ES VPL-HW50ES VPL-HW55ES/58ES VPL-VW95ES VPL-VW1000ES VPL-VW1100ES VPL-GT100