Package includes four remote control transmitters compatible with the Aleko LM123. The remote operates at a frequency of 433.92MHz and features four independent channels. It is constructed from durable materials and utilizes low-power technology. This remote is compatible with Aleko, Lockmaster, Casar, and Topns automatic door openers. It has undergone extensive equipment testing for reliable performance, offering strong signal strength and durability. It can synchronize with a receiver within one minute and is suitable for various doors including garages, gates, and workshops. The 170-foot signal range allows for convenient operation from your vehicle. Programming is achieved quickly using the buttons on the receiver. The 433.92MHz rolling code technology generates a unique signal for each use, enhancing security by preventing signal theft and copying. Color: As shown. Material: Plastic. Package Contents: 4 x Remote Control. Only the above package content is included. Other products are not included. Please