TechVision HBE2L3WZ User Manual page 5

The surface of the image sensor should not be exposed to laser beam radiation in an

environment where a laser beam device is used.
Do not provide two or more power supply sources for the device; otherwise it might

damage the device.
When the camera is in the condition of PoC power supply, do not connect any other device

between the camera and PoC transceiver including UTC, Balun, optical transceiver,
distributor and convertor and so on; otherwise, the device might get burned.
PoC supply voltage is up to 52V. Do not dismantle the device during normal operation;

otherwise it might cause danger to both device and users due to high voltage.