... to control garage door , slide door ,overhead door,automatic door,gate door,curtain,awning The RF remote system is widely used ... as preferred components in garage gate, roller curtain, door locks, remote sensing, telemetry, industrial control and wireless security alarm industries. Operating voltageDC12V ... (open area) Size 59x31x12mm Optional IC ev1527,PT2262,HCS301..etc rolling code RF remote control