Feature: Easy to use, the 4 channel remote control system lets you take control of your gadgets, car, home and garage. This is not a complete list! If your remote uses the 433MHZ frequency it will work with the remote duplicator (note: rolling code remotes will not work). IC model of original remote control is 2262 2260 1527 2240 and compatible IC. The battery used in the product is 27A 12V please replace the battery when the remote control distance is insufficient. Clone up to 4 remote signals from 4 different remotes. Descriptions: With this remote control, you can control all 433MHz fixed code key fobs. Some remotes that use this frequency are listed below. 4-Channel RF Wireless Remote Control Duplicator for Cars, Garage Doors, Gate Doors, Alarm Systems etc. This is a fixed frequency remote cloner (433mhz) for copying common fixed and learning code remote controls. Specifications: Model: HFY520B Size: 55*28*14 Color:black Battery:60mAh Operating frequency: 433MHz Powered by 27A 12V battery (included) Package included: 1 x Remote Control