All of our garage door opener with CE certificate and consists of 1 track,two remote controls and some componets. Functions: 1).Multi opening ways 2).Electronic limit switchs 3).Automatic safety reverse 4).3 minutes LED light delay 5).Manual release in case of power failure 6).Chain drive,low noise 7).Soft start,soft stop 8).Remote control 9).Infrared sensor 10).Flash light 11).Backup battery function 12).Wall switch Specifications: INPUT VOLTAGE: 220-230V AC 50Hz (110v AC 60Hz or 127V AC 60Hz available on request) Single Phase Current Required 1Amp TRANSFORMER SPEC: Primary Voltage 220/230V AC WORKING CIRCUMSTANCE: TEMPERATURE: -20 55 RELATIVE HUMIDITY: <90% MOTOR SPEC: Motor Type Permanent Magnet D.C. Motor Voltage 24V DC Torque 150 kg.cm at 4 Amps CONTROL BOARD SPEC: Relay Contact Rating 30 Amp / 30V DC Relay Coil Voltage 24V DC Control Board Voltage 24V DC / 5V DC Light Glove Voltage 220v ac 15 watts Max Receiver specification Receiver type ASK (built-in) RF Frequency 433.92MHz Code Storage Capacity 20Different codes Control distance 50m max. TRANSMITTER SPEC: Carrier Frequency 433.92MHz Current Consumption 50mA(approx) Battery Voltage 12 Volts A23 battery Coding Format Rolling Code(7.38*1019 Combinations) WEIGHT: 14.00KGS MODEL: ET-600 ET-800 ET-1000