1) Select the correct brand for remote to be programmed by moving dip switches UP or DOWN. For example, 433.92MHz Marantec remote controls, move Dip-switch 7 UP. 2) Press the learn button. The LED will turn on. 3) Press the button on the remote; the LED flashes 4 times. This indicates the remote control has been programmed successfully. 4) Repeat step 2 for another button. 5) The 2nd channel programming procedure is the same. To erase all data from the memory: Press and hold either learn button. The LED will start flashing. Keep the button pressed until the LED turns off. All saved data will be erased permanently and cannot be recovered. Color: White Material: ABS 1) Name: Universal receiver SMG-662 2) Operating Voltage: 9V30V 3) Channels: 2 4) Frequency: 300MHz 900MHz 5) Range: 3050 meters 6) Compact size: 5.5cm x 4.5cm x 1.0cm 7) One receiver can store up to 400 codes 8) Does not interfere with other remotes or receivers 9) Selector: 8 dip switches allow multiple combinations for different remotes 10) Code types: Rolling code, Fixed code, and Learning code 11) Uses: Designed to control gate automation systems, burglar alarm systems, electric doors, windows, lifting equipment, gateways, and lifting devices. Easy to use, low power consumption, and simple to connect to existing systems 12) Input Selector: Receiver operates on AC/DC 9V30V. Adjust PIS according to input voltage. If input is above 24V, short pin 2; if input is below 24V, short pins 1 & 2 Compatible with: All 433.92MHz fixed code remotes including APRIMATIC, ATA, ADYX, ALLMATIC, AVIDSEN, BENINCA, CAME, CARDIN, CHAMBERLAIN, Mastercode SEAV 433.92MHz, DOORHAN, DEA, ERREKA 433.92MHz, MARANTEC 433.92MHz and 868.3MHz, FAC rolling code 433.92MHz and 868MHz, Liftmaster 310, 390, 433.92MHz, 315MHz, Hormann, Marantec, Berner 868MHz, Prastel 433MHz and 315MHz, VDS, PNC, FORSA, ROPER 868MHz, SOMMER 868.8MHz Package Contents: 1 x Receiver Note: Other items not included Note: Light reflection and different display settings may cause slight color variation between the image and actual item. Measurement error allowance: +/- 13 cm