Built-in function, Stop when encountering resistance The conductive rubber strip is hollow, with conductive metal wires on the top and bottom. The normal state is disconnected. When encountering resistance, the top and bottom are closed to conduct electricity. The controller sends a stop command to protect the door or the items under the door. Waterproof when blocked, The inside of the stopper is equipped with a waterproof silicone pad to prevent water damage Installation: The whole set of products includes: D Host with sealing pin 2 conductive rubber strips 3 sealing pins The host seals the machine by inserting one end of the rubber strip tightly, and the other end also uses the matching The sealing pin can be inserted tightly (note that the sealing pin is aligned with the card slot and sealed tightly) When installing on the rolling door, use strong glue to fix it Leave a 2.5 cm gap between the two ends of the rubber strip and the track opening Buyers need to purchase strong glue by themselves Step 1: stop code clear code: Press the stop code (must be synchronized) and V at the same time, press and hold for 3 seconds (do not release in the middle), then the stop code indicator will flash 5 times, then go out, this time it means that the data is cleared. Note! Do not perform this operation on the old remote control Step 2: Stop code copy, hold the old remote control in your left hand and the stop code in your right hand, try to get them close together and press the corresponding button without letting go. When the stop code indicator is always on (no longer flashing), the copy is successful, and the other buttons are analogous. Method: Get as close as possible and press the door opening button at the same time Color:As Shown Material:plastic Package Contents: