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By certification 
Function:
1. It applies in gate, slide gate, or barrier gate operator
2. Built-in manual switch and indicator light in the panel.
3. Two independent limit switch to input (N/C or N/O).
4. It can connect another obstruction sensor and alarm light.
5. Built-in action indicator beeper.
6. Total operation time protection design.
7. Built-in code clear switch.
8. Codes available: 220 (1048576 codes)
9. Automatic safety precautions:
A. BT-D01: When the gate operator to an obstruction from either the internal sensor or an external obstruction signal while closing, it will stop 1 second, then reverse for 5 seconds. After 3 seconds of removing the obstruction, the operator will continue closing.
B. BT-D02: the user can set the time to go down in advance. When IR detects an obstruction, the barrier will open to the original location. After removing the obstruction, it will go down after the setting time. (The timer range: 1-235 seconds).
1. It applies in gate, slide gate, or barrier gate operator
2. Built-in manual switch and indicator light in the panel.
3. Two independent limit switch to input (N/C or N/O).
4. It can connect another obstruction sensor and alarm light.
5. Built-in action indicator beeper.
6. Total operation time protection design.
7. Built-in code clear switch.
8. Codes available: 220 (1048576 codes)
9. Automatic safety precautions:
A. BT-D01: When the gate operator to an obstruction from either the internal sensor or an external obstruction signal while closing, it will stop 1 second, then reverse for 5 seconds. After 3 seconds of removing the obstruction, the operator will continue closing.
B. BT-D02: the user can set the time to go down in advance. When IR detects an obstruction, the barrier will open to the original location. After removing the obstruction, it will go down after the setting time. (The timer range: 1-235 seconds).
