ECO-TX-E401 Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: ECO-TX-E401 MANUFACTURER: Ecolink Product Details 319.5Mhz (Qolsys/Interlogix) Garage Door Position Sensor Product Details Back Product Details319.5Mhz (Qolsys/Interlogix) Garage Door Position Sensor