JSK-4300B 4.3 inch Handheld 12V Output Network Cable Monitoring Tester, 4.3 inch (With US Plug Power Adapter), 4.3 inch (With EU Plug Power Adapter), 4.3 inch (With UK Plug Power Adapter), 4.3 inch (With AU Plug Power Adapter)

1. Video system: NTSC/PAL
2. Display screen: 4.3-inch high-definition TET screen, suitable for various occasions, allowing the screen to present a clear image of 16:9 or 4:3
3. Video input: video input x 1 (BNC interface)
4. Video output: 7 kinds of color bar signal output
5. Operation interface: OSD switch
6. Power output: power DC output (support general photography lens power / current up to 500mA)
7. External power supply: external power DC5A 1.0A transformer
8. Battery capacity: 3.7V 3000mAh
9. Charging time: about 6h
10. Working time: about 5-8h (without CCD power supply)
11. Indicator: 2 LED bulbs (power indication - green light, charging indication - red light)
12. Working ambient temperature: 0-60 degrees Celsius
13. Working environment humidity: 30%-90%
14. Form factor: about 17.8 x 11 x 4cm
15. Weight: about 350g

Features:
1. 4.3 inch high-definition large screen, the display area is broader and clearer, more intuitive and convenient to show the effect of the camera image
2. LCD monitor brightness, contrast, color saturation adjustable, backlight brightness adjustable for field construction and maintenance
3. Foldable also can measure the network cable, can also be worn on the wrist, easy to use
4. Color bar output, image generator, send PAL color graphics bar (white, yellow, cyan, green, purple, red, blue), seven kinds of color bar signal output
5. Test lens connection method: through the data line to be tested lens and tester connection, can be directly observed in the tester display above the detection of the lens to be tested, imaging effect
6. Support high current output (up to 1A), in places with less light can detect the need for high current driven night vision lens
7. Network cable test: first select the network cable test in the menu, and then press the left button or right button next to the network cable test, you can test the good or bad network cable, line short circuit and other issues