Opens single and double sectional garage doors up to 10.5m² 2 x Key ring remote controls included Opens single and double sectional doors up to 10.5m² 2 x remote controls included Input Voltage 230-240 Vac, 50 Hz Maximum Pull Force 475 N Power 80 Watt Normal Torque 4 Nm Maximum door weight 60 kg Maximum lift under spring tension 15 kg Maximum door area Sectional door 10.5 m2 Motor DC gearmotor permanent lubrication Drive Chain with one-piece trolley on steel rail Memory Registers: 64 Operating Frequency 433.30/433.92/434.54 MHz Warranty 2 years