Garage door receiver Code: Rolling code, Channel: 1-CHANNEL Rating in open space: 50-100m Power supply: 12/24V AC DC Garage door receiverTransmitters stored: 30PCS1. Working Frequency: 433.92MHz2. Working Voltage: 12V to 24V AC/DC3. Temperature range: -20 to 504. Max. Working Current: 50mA5. Relay Contact Load capacity: 1A,30V DC/120V AC6. Application Environment: in dry indoor place or in the ...