HT-12E dial code dip switch RF wireless remote control is used to control garage door , slide door ,overhead door Far distance ... gate, roller curtain, door locks, remote sensing, telemetry, industrial control and wireless security alarm industries. Operating voltageDC12V A23 batteryOperating Frequency315MHz/433 ... Optional IC ev1527,HT12E,PT2262,HCS301..etc dip switch RF remote control,dial code remote ...