Usage Tips:10Pcs remote control key fobs, button slide cover, handy key chain size, this is a fixed frequency remote cloner for copying common fixed and learning code. Features: Button slide cover to protect buttons stop accidental unplanned operation. Handy key chain size attaches to your car keys no more unwanted bulkiness. It can copy the IC model of remote control is 2262 2260 1527 2240 PT2262 PT2240 PT2264 PT2260 PT2242 AX5326-4 AX5326-3 SC2262 SC2260 HS2262 2260 LX2262 2260 EV1527 P527, etc. This is a fixed frequency remote cloner for copying common fixed and learning code. If your remote uses the 433mhz(433.92mhz) frequency it will work with the remote duplicator (note: HCS chip or rolling code remote control will not work). Specifications: Material: Plastic Color: Black & Silver Operating Frequency: 433(433.92)MHz Rated Voltage: 12V Cell: 10 x CR2016 (included) Package Weight: 255g / 8.99ounces Package Size: 150 * 50 * 50mm / 5.91 * 1.97 * 1.97in How to Program: Because the fob has code when it was produced, so you need to reset it before copying. Reset: Hold buttons A and B down simultaneously, once the LED is flashing continuously, release both buttons to complete the reset.(If your remote hasn't have button A or B, just press the top two buttons) Copy: Hold down the button on the remote you want to copy while simultaneously pressing and holding which button you want to program on the fob (A, B, C, D etc.).Both your remote and remotes head should close to each other The process will be complete with the fob light flashes. Tips: If you reset the code that you had copied and want to recover, press buttons C and D (or the bottom two buttons) until light flashing. Notice: If done correctly, can use directly. If not, or individual button not useful, please turn to clean and copy again, notice the change of light during operation. If problems still exist after attempting several times, check the chip and frequency of remote control again, and contact us. Packing List: 10 * Remote Control Key Fobs