1、This remote control relay switch enables a long control distance up to 1000 kilometres, powerful and convenient. 2、You can flexibly apply it in electric door, window, lifting equipment, gateways, elevators, industrial control, etc. 3、The wireless signals can easily pass through wall, floor and door, so the easy installations is much more flexible. 4、Through simple operation, both the output mode and working mode can be changed, easy to match transmitter. 5、Equipped with 18different working methods, the smart remote control switch will surely meet your various needs. Item Type: Remote Control Relay Switch Material: ABS Model: APDC-18K Battery Model: 23A (delivered without battery) Battery Capacity: 500 mA Control Distance: Approx. 1000metre / 3280.8ft Working Frequency: 315MHZ/433MHZ (default 315MHZ) Working Mode: Momentary M4/Latching T4/Interlock L4/Momentary and Latching Coexist. Code Pairing Method: Intelligent Learning Type Working Environment: -40 ~ +80℃ Receiving Sensitivity: ≥105dBm Inductive Output Current: ≤3.5A Resistive Output Current: ≤6A The receiver has the following 5 working modes can be set, 18 ways all momentary, 18 ways all latching, 18 ways all interlock, separate several ways of momentary and latching interlock coexist (You can change the work according to your own needs. See the description below for details.). 1. Momentary: Press the remote control key 2 to learn (Function Literal Translation: Press and hold the remote control key to work, release it to stop.); 2. Latching: Press the remote control key 1 to learn (Function Literal Translation: That is, the receiver is turned on and off by the same key on the remote control, press the remote control key in turn, the first is to turn on, the second is to turn off, the third time is turn on, the fourth time is turn off, and so on.); 3. Interlock: Press the remote control key 3 to learn (Function Literal Translation: Press the remote control A key to turn on and B key to turn off or A key to turn off and B key to turn on. If the remote control has multiple buttons, it will learn which key is on, and all other buttons are off.); 4. 1-9 Way Momentary. 10-18 Way Latching: Press The remote control key 4 to learn 5. 1 Way Latching. 2-18 Way Momentary: Press the 5th key of the remote control to learn. 1 x Controller 2 x Remote Control Board