Dilwe 433mhz 8 Channel Wireless Remote Control Relay Switch, 0A DC 12V?36V Relay Secure Remote Control Switch Relay Module with Remote Control for Motor Light Gate Door DIY Wireless Controller

How to Use: 1. Output mode A. 1?8CH instantaneous, press the transmitter button "1" to learn B. 1?8 channel lock, press the transmitter button "2" to learn C. 1?8 channel switching, press the transmitter button "3" to learn D. 1?4CH instantaneous, 5?8CH switching, press the transmitter button "4" to learn E. 1?4CH instantaneous, 5?8CH locked, press the transmitter button "5" to learn F.  1?4CH locked, 5?8CH switching, press transmitter button "6" to learn G. 1?4CH locked, 5?8CH instantaneous, press the transmitter button "7" to learn H. 1?4CH toggle, 5?8CH instantaneous, press transmitter button "8" to learn Specification: Item Type: 8 Channel Relay Material: ABS Working Voltage: DC12V-36V Current: Standby Less Than 10mA Working Temperature: -40?, 80? Receiver Frequency: 433MHZ Receiving Sensitivity: -105dBm Communication Distance: Approx. 100-150m / 328.1-492.1ft Maximum Load: 10A Relay, Resistive Load Less Than 8A, Inductive Load Less Than 3A Remote Control Battery: 1 x 23A Alkaline Battery (Not Included) Package List: 1 x 8 Channel Relay 1 x Remote Control