Notes before order 1.It is replacement with our remote control shell but not original remote control. The function is same as original remote after programming. 2. The remote control should programming with the motor, if you can not get the motor. Please do not order it. It will not working. Specifications: 1.Type of programming: Programming with the receiver 2.Number of channels: 4 3. Code: rolling code 4. Frequency: 433.92MHz 5.Woring Range: 10-50 m (open space) 6.Power supply: CR2032. 7.Remote come with Battery !!! Security of use: dynamic code provides a high level of security, non-copyable code. Disclaimer:Your Old remote must be same as the advertisement , new remote do not compatible with other remotes . Kindly note, our remote is the COMPATIBLE / REPLACEMENT /CLONE remote , not the original one . please make sure your remote / system can be used before buying . As a general guide, if the remote you currently use is one of the remotes pictured in the ad then this remote will be compatible with your motor. if you are not so sure , please contact us without hesitate Compatible Model : Cardin S449 QZ2 Cardin S449 QZ4 Features: Four buttons LED Indicator Sliding cover Compact pocket sized Battery included Programming transmitters to receiver The remote control is the same function as your original remote.it should programming with original receiver according to your original Manual when you get it. 1. Locate the Learn / Code Set button on the motor. This is usually under the lamp cover, or on the back of the motor. 2. Press the Learn / Code Set button once, then let go. A light should illuminate. 3. Press the desired transmitter button once, and the light will go out. 4. Press the remote again the the light will flash on the motor and then go out, signifying the remote has been coded. 5. Test the operation of the remote. wide range of uses: Garage doors, Electronic gates, Barrier gates, sliding doors, automatic doors, rolling doors, shutters Electrical appliances/Home automation i.e. lights, Alarm system, access control system Terms Of Sale: Please read and understand before bidding or buying. Return of Faulty & Non Faulty Goods All products are individually inspected before being dispatched, to ensure items are sent out in perfect condition. Item must be returned within 15 days of After receiving Item must be returned unmarked and in the Original Packaging Shipping: Please ensure your delivery address is correct. Items will be shipped within 48 hours after payment is received / cleared (except weekends and holidays). Contact Us If you have any questions please ask me. I will reply within 24 hours. In the rare event that you have a problem with your item we strongly recommend contacting us before leaving negative or neutral feedback. We will be happy to help with your problem.