1、Good Compatibility: You can use a monitor and DVR to work together conveniently and quickly.Mini CCTV monitors for CCTV systems ensure you get the job done faster and better. 2、4in Display Screen: The CCTV test monitor has a mini 4in display screen, which is protected by film and rubber on both sides, allowing you to use it in different environments. 3、Stable Operation: Large capacity batteries can make CCTV monitors work for a long time. This monitor has a 12V DC power output, and in cases where it is difficult to provide an independent power supply, you can power the camera separately. 4、Perfect Match: Can perfectly test up to 8MP AHD cameras, TVI cameras, and CVI cameras, making it perfect for upgrading old CCTV analog signal systems. The CCTV tester also supports UTP cable testing. 5、Easy Installation: Light in weight and compact in size as well, the CCTV test monitor is very convenient to carry and install for outdoor working. Item Type: CCTV Test Monitor Battery: 1 x built in 3.7V polymer lithium battery with 3000 mAh capacity. Language: Supports 12 languages. PTZ Controller: Supports RS485, is compatible with for PELCO-D/P protocol, and has a baud rate of 2400-19200bps. UTP Cable Tester: For UTP cable, with indicator light, testing distance up to 100 ~ 150m / 328.08 ~ 492.13ft (approx.) Signal Mode: NTSC/PAL, automatic adaptation. UTC OSD Control: UTC Control and call OSD menu. Video Signal Testing Function: High definition video monitoring tester, built in high definition 4in TFT LCD, 480 x 272 resolution wide angle display screen, supporting PAL/NTSC standard image signal. Tilt Control Function: The video monitoring tester has built in for Pelco D/P and other PTZ control protocols. Through the RS485 interface, it can control the tilt up, down, left, right, zoom, focus, and aperture size. DC 12V 1A Power Output Function: The video monitoring tester has designed a 12V 1A power output port specifically for the camera's power supply, providing temporary power supply for the camera. Audio Testing Function: Can test audio devices such as pickups in the video monitoring front end. Network Cable Testing Function: Network cable testing function through the UTP Cable Test port on the instrument panel. High Definition Video Monitoring Testing: Supports 720p 25/30fps, 1080p 25/30fps, 3MP, 4MP 5MP, 8MP resolution camera image testing of TVI coaxial end, AHD coaxial end and CVI coaxial end. 1 x CCTV Test Monitor 1 x Safety Cord 1 x BNC Cable 1 x Audio Test Cable 1 x RS485 Control Cable 1 x Charging Cable 1 x Test Box 1 x Charger 1 x Terminal 1 x User Manual