Specifications
Duplicator 
1. Easy to use 
2. Face to face copy remote 
3. Working Frequency: 315MHz / 433MHz 
4. Launch Distance: 30-100m 
Universal Wireless RF Remote Control Duplicator Frequency Adjustable Features: - Universal remote control duplicator can easily copy code from other RF remote control without copying device and control the same original receiver. - Copy the code one by one, saving the copy memory of each button separately. - Repeatedly copy code from other RF remote control for million times. - High quality RF remote with chrome metal frame and 4 chrome buttons. Application: - Home/store anit-theft alarm, E-bikes /motorcycles/car alarms, all kinds of door/window controllers, LED and other industrial control How to use: - Before starting to copy the code, you need to know the function of each button - 1. Code Clear It's necessary to clear the original codes of the copy code remote control. Press and hold the "arming" button and "disarming" button simutaneously for 2 seconds till the LED indicator flashes 3 times. Keep pressing the "arming" button and release the "disarming" button, then press the "disarming" button for 3 times within 5 seconds. The LED indicator slowly flashes 3 times then becomes fast flash to indicate the code clear is finished - 2. Code Copy With the original remote control on your one hand, with the copy code remote control on the other hand, approach the two remote controls to each other as close as possible. Press and hold the button to be learned on the original remote control and the button you want to learn on the copy code remote control simutaneously for 3 seconds, the LED indicator flashes 3 times then becomes fast flash, indicating the code is learned/copied successfully. Repeat the above steps to copy the code of other buttons - 3. Code Retrive In case if you lost the codes you are using by accident, don't worry you can retrive them by following the step below: Press and hold the "starting" button and "muting" button simutaneously for 3 seconds, the LED indicator flashes 3 times then becomes fast flash, indicating the codes are retrived now. - 4. Frequency Adjustment For fixed frequency copy, you can directly copy the code from other RF remote control. If not, if need to open the cover of the copy remote control and adjust the frequency with the great sense to meet the frequency of original remote control. For example, the frequency of the copy remote is 315MHz, but the original remote is 433MHz, you need to adjust the frequency of the copy remote from 315MHz to 433MHz. The adjustable frequency range is 280MHz to 490MHz. 
For our factory: 
We are special to produce wireless remote control, wireless receiver and transmitter modules, wireless receiver controller, infrared detector, door sensor, gas and smoke detectors and home anti-theft alarm system. 
We have advanced equipment in our factory. At the same time, we ensure that our wireless products and security and protection systems are of the highest standard to meet international market and we get CE and Rohs certification. Our products are sold in North America, South America, Southeast Asia, Western Europe and Africa. Moreover, we can rapidly develop and manufacture wireless RF products as every customers' requirement on OEM or ODM basis. 
Contact us for more details about Price, Packing, Shipping and Discount. 
Company Website: www.made-in-china.com/showroom/oujiayu, explore for more product information! 
Hope to hear your kindly further talks.