1) Select the correct brand for remote to be programmed by moving dip switches UP or . For example 433,92Mhz Marantec remote controls, just move Diptoswitch 7 UP.2) Press the learn button. The will LED turn on.3) Press the button on the remote, the LED flashes 4 . It means remote control was programmed successfully.4) Repeat step 2 for another button.5)The 2tond channel programming procedure is the . Erase all data from the memory card: Press and hold either learn button. The LED will flash. Keep this button pressed, until the LED will turn off. All saved data in the memory card will be erased permanently and can not be recoveredcolor: WhiteMaterial: ABS1)Name: Universal receiver SMGto662.2)Operating Voltage: 9Vto30V3)Channel: 2.4)Frequency: 300MHz to 900MHz.5) Distance: 30to50 meters.6) Very mini size: 5.5cm x 4.5cm x 1.0cm.7) One receiver can work with 400 codes.8) It 't interference other remotes and receivers.9) Brand selector: With 8 dip switches user can make different combination for different remote .10)Code: Rolling and Fixed code and Learning code.11)Uses: Receiver is designed to control any gate automation system, burglar alarm system, electric doors, windows, lifting equipment, gateways, lifting devices. This is an easy to use, good looking, low consumption and is easy to connect to your existing system.12) Input Selector: This receiver can work at AC or DC 9Vto30V. However, it's better to change the PIS according to the input. If the input is great than 24V, shorten pin 2and3 shorten 1and2 if input less than 24V.Compatible :All 433.92mhz fixed code remotes. APRIMATIC,ATA,ADYX,ALLMATIC,, BENINCA,CAME,,CHAMBERLIN, Mastercode 433.92mhz, DOORHAN,DEA,,ERREKA 433.92MHZ, MARANTEC 433.92mhz 868.3mhz, FAC rolling code 433.92mhz and 868mhz, 310, 390, 433.92mhz, 315mhz, Hormann and Marantec, 868mhz, Prastel, 433 and 315mhz,VDS, PNC, FORSA, , ROPER 868MHZ,SOMMER 868.8MHZ...Package Contents:1 x ReceiverOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1to3cm.