Review on 📷 Electop Wrist CCTV Tester: 5 Inch 1080P Portable Camera Tester with PTZ Control & Power Output - AHD TVI CVI CVBS VGA TFT LCD Monitor by Eric Wohlman

Works as advertised but. You know better what you're doing! Pros: The price is right and the image quality is better than average. Works as advertised with AHD, TVI and CVBS. Features a 12V DC aux output. intuitive menu (at least for Americans). - Has the most useless manual I've ever seen. - Too bulky for use on high stairs. - If you use 12V DC output. DC conversion circuit). Conclusion: I did not evaluate the RS485 connection. This monitor delivers what it promises and the price is right. It's not particularly easy to use and has a few quirks that you have to put up with, such as having to connect devices in the correct order in order to view them. The manual is a joke. So unless you have years of video surveillance experience (like me) you should consider paying more and getting a more professional device from a reputable brand. (e.g. Triplet, Tenma, HikVision, etc.).