This is an all real time 4 channels video quad processor with 4CH audio. Great product with inexpensive price.

1. High Resolution Display Quality.
2. NTSC/PAL.
3. English menu
4. Each image quality can independently adjust.
5. The image can auto switch each other.
6. 2 PIP functions and 1 PIP function, each PIP position can be adjustable and display channel number can be edited.
7. Dual Split function, each picture position is adjustable and display channel number can be edited.
8. ZOOM function, A zoomed area can be moved while zoom function is invoked.
9. High Quality image freeze function, more than one image can freeze in different channel.
10. Motion detection alarm, image loss alarm.
11. 60 groups’ event record. (motion detection and image loss alarm record)
12. Each channel number can be edited.
13. Screen position and the length time of alarm can be adjustable.
14. Four channel of audio input and one channel of audio output.
15. Support IR remote controller.
16. Record Frames: 100fps PAL; 120fps NTSC