433Mhz Universal Wireless Remote Control Switch AC 85V - 250V 1 Channelrelay Receiver Module with RF Remote 433 Mhz Transmitterwith 2-button Intelligent Learning code 1527 Application areas: Remote control garage door \ Remote control house door \ Remote control Lamp \ Remote control curtains \ Remote control Fun and other remote control device. Order Package Include: (3 order model can be chosen) Order Model 1: 1Piece KR1204-4 and 1Remote Controls Details: Receiver Switch Module (KR1204-4): 1 Piece with Plastic Shell Remote Control: 1Pieces with Battery Order Model 2: 1Piece KR1204-4 Details: Receiver Switch Module (KR1204-4): 1 Piece with Plastic Shell Order Model 3: 1Piece Remote Controls Details: Remote Control: 1Pieces with Battery The way of Circuit Connection: Please Note: the Receiver Switch Module part number KR1204-4 have 3 ways of working mode.The OUTPUT signal have 2 Voltage Level. It decided by the INPUT of the COM pin. OUTPUT mode 1: Connect the COM to the Power Supply by DC12V, the Output pin will create DC12V Signal. Please check below diagram for better understanding. OUTPUT mode 2: Connect the COM pin with any other Additional Power Supply,the output will create the same Voltage signal as the Additional Power Supply. it can be Direct Current or Alternating Current. Decided by the Additional Power Supply. BUT, Please note: the additional Power Supply should be in the range of the Receiver Switch Module-(DC5-12V, AC 85-240V). Please check below diagram for better understanding. OUTPUT mode 3: Mix work mode: You can also make 2 channel work under the DC output mode, and 2 with the AC output. Please check below diagram for better understanding. IMPORTANT INFORMATIONS: You can match the Remote Control with the Receiver SwitchModule (KR1204-4) in 3 mode. Remote mode 1: Momentary/Jog Press and hold one key->ON; Release the key->OFF Details: Hold one key , the corresponding channel is working /ON;Then Release your finger the channel turns to stop/OFF . Remote Mode 2: Toggle/Self-Lock Press one Key->ON; Press the same key again->OFF Details: Press one key once , the corresponding channel turn working/ON; Press the same key once again the same channel turn to stop/OFF . Remote Mode 3: Latched/Inter-Lock Press one Key once->ON; Press another key once->OFF Details: Press one key once( take A key for example), the corresponding channel (like channel 1) turn to working/ON; Press another key once(take B key for example), the same channel turn to stop/OFF. At the same time, another corresponding channel(like channel 2) turn to working / ON . Note: When you receive the product, it maybe set in one remote mode randomly, that because each product got test when it can be arranged to