3)Jumper terminal: used for the selection of always-on mode (NOR) or flashing mode (FL),change the position of the jumper cap as needed; 2)Power supply terminal: the interface used to supply power to this product, the power supply voltage range: DC/AC12-220V; 4)Pass the power and antenna wires through the sealing plug on the bottom case; tighten the screws and complete the assembly of the upper case; 1)Antenna terminal: There is an antenna on this product, which is mainly used for the external antenna configured by the user controller. When in use, connect the antenna interface on the user controller to the antenna terminal of this product with a wire; 5)After completing the above wiring steps, lock the flashing light on the bracket, and then fix the product to the corresponding place according to the needs of use;, Weight: 0.23589462034 pounds, Manufacturer: Prterver