Industrial Covert Unlimited is in its 20th year of operation. CU1.COM has been up since mid 1999. Great security & CCTV products and people who answer the phone!
Check this out!
Orion Images TM4 4" CCTV Test Monitor W/ Velcro Wrist Strap & Protective Case
The Orion Images LCD test monitors are ideal for troubleshooting during system set up. Identify problems as they happen, see real time data on your screen regarding performance and configuration during installation.
The TM4 test monitor can do all of this for you and display it all on its 4" screen. This cctv monitor has a number of different features that include 2 RCA video inputs, a rechargeable battery, and it comes with a protective case and strap.