HT-12E dial code dip switch RF wireless remote control is used to control garage door , slide door ,overhead door Far distance The ... gate, roller curtain, door locks, remote sensing, telemetry, industrial control and wireless security alarm industries. Operating voltageDC12V A23 batteryOperating Frequency315MHz ... ev1527,HT12E,PT2262,HCS301..etc dip switch RF remote control,dial code remote control