Press the sensitivity adjustment button for a second to adjust the sensitivity to the appropriate value in the installation environment.
Can control 2 beam, save cost and space
It can control 2 beams, save user cost and avoid the trouble of installing 2 amplifiers, which is worth the money.
Self-diagnostic function
The LED mode can report the status of the sensor when it is changed, so it can be corrected before failure caused by poor optical axis correction or dust on the lens.
Code for automatic failure insurance
For safety, the fail-safe code requires that the door be opened even if the device fails.
