1. Duplicate your existing remote controllers such as vehicle central locking systems, garage doors access control system, electronic gates, electrical, appliances control, car sunroofs control, heating systems control, light switch, etc. 2. Support for CAME TOP series remote control and the most of other remote controls including following code: PT2262 PT2264 PT2260, PT2240, PT1527, SC2262, SC2260, EV1527, SCT527, HS1527, HS2240, SCL1527, FP1527, HS2262, HS2260,LX2262,LX2260, EV1527, etc. encoding chip (This remote duplicator can only copy 433.92MHz fixed code, learning code and some rolling cost key fo-bs. If you fail to copy your remote, you might have to check whether your device has one of the following chip listed above). 3. Less malfunctions and support a larger variety of codes. 4. Offer a larger pool of code which can copy more remote controls. frequency:433.92MHz Operating voltage:DC 12V Type: copying/duplicating remote control transmitter key fob Match code way: copying while attached to another remote control (one to one copying) Channel Supported: four channel Color:As Shown Material:plastic Package Contents: 1 * Garage door opener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.