Specifications: 1) Distance: 50-150 meters. 2) Very mini size: 5.5 cm x 4.5 cm x 1.0 cm. 3) One receiver can work with 400 codes. 4) It does not interfere with other remote controls and receivers. 5) Brand selector: With 8 DIP switches, the user can make different combinations for different brands of remote controls. Power input selector: The receiver can work at AC/DC 9V~30V. However, it is better to change the PIS according to the power consumption. If the input is higher than 24V, shorten pins 2 and 3; shorten 1&2 if input less than 24V. Color: White + Black Material: ABS Programming a new remote control 1) Select the correct brand of remote control to be programmed by moving the DIP switches UP or DOWN. For example 433.92Mhz remote controls, just move Dip-switch 7 UP. 2) Press the learning button. The LED will light up. 3) Press the button on the remote control, the LED will flash 4 times. This means the remote control has been successfully programmed. 4) Repeat step 2 for another