4.3inch 5MP CCTV Tester Monitor — HD Analog CVBS/CVI/TVI/AHD with Automatic Adaptation, PTZ Support (Professional Testing Tool)

Never use this instrument in atmospheres containing flammable gases. Always follow local electrical regulations when operating the device and avoid locations where electrical equipment is restricted, such as hospitals and gas stations. Protect the unit from rain and other moisture; exposure can lead to damage or reduced performance. Do not leave the tester unattended while charging — if the battery becomes excessively hot, disconnect power immediately. Charging time must not exceed B hours. Do not operate the equipment in high humidity environments. If the device gets wet, immediately unplug the battery, power cable, and any other connected cables.