Model Number: NOVOFERM Remote Control Origin: Mainland China Certification: CE Name: NOVOFERM Remote Control Rolling Code 433.92MHz Frequency: 433.92MHz Compatible Models: NOVOFERM MCHS43-2, MTR43-2, MNHS433-02, MNHS433-04, 502 MAX43-2, 504 MAX43-4, NOVOTRON 512 MIX 43-2, MINI-NOVOTRON 522, MINI-NOVOTRON 524, MINI-NOVOTRON 522 Design, MINI-NOVOTRON 524 Design Code Type: Rolling Code Type Selection: 6 Button Configuration: 2 or 4 buttons Battery: 12V 27A / CR2032 (battery included) Transmission Distance: 10-50 meters depending on environment Operating Voltage: 12V DC Item Condition: New Note: This is a third-party remote control, not manufactured by NOVOFERM. Decoder IC: Rolling Code Frequency: 433.92MHz Transmit Distance: 25-50 meters in open space without interference. Obstructions such as walls, doors, or other structures may reduce range. Programming Instructions: 1. Open the receiver casing located near the motor. 2. Press and release the programming button on the receiver circuit board (labeled as ENR, MEMO, PROG, or REC depending on model). The LED light will illuminate or blink. 3. Press and hold any button on the new remote for 1 second, then release. 4. The LED light on the receiver will turn off immediately or within 10 seconds, depending on the model. The remote is now programmed. What’s Included: 1 x Remote Control 1 x Battery 1 x Keychain 1 x English Instruction Manual Professional certification and quality assurance provided.