The recommended touch screen monitor to be used in conjunction with the LILIN NVR Touch series are:
Iiyama - Prolite T2252MTS
These are recommend for the NVR-116, NVR-109 & NVR-104.
If this monitor is being used with an NVR-109 or NVR-104 an additional HDMI to DVI cable may be required due to the NVR-104 & NVR-109 having HDMI outputs only. Check both your monitor and NVR for compatibility.