Name: Scimagic-RCUse: Electric Door, Automated Curtains, Switch, UniversalOrigin: ChinaWireless Communication: RFSUPPORT APP: NoCertification: CEFrequency: 433 MHzChannel: 4Package: YesModel Number: Liftmaster TX2REV TX4REVKeywords: Liftmaster TX2EV TX4EV compatible remote controlName 1: LiftMaster TX2EVS TX4EVS remote controlName 2: Liftmaster TX2REV TX4REV garage door remote controlFrequency: 433 MHz 433.92 MHzChip: Rolling CodeVoltage: 12 VSize: 70 * 33 * 13 mmDistance: 5-50 M (open space)Use: Program on receiverMaterial: Metal and PVCThis is a compatible remote control for Liftmaster TX2REV TX4REV handheld transmitterCompatible with: Liftmaster TX2EV TX4EVLiftMaster TX2EVS TX4EVSLiftmaster TX2REV TX4REV1. Type of programming: Programming with the receiver2. Number of channels: 43. Code: Rolling code4. Frequency: 433.92 MHz5. Working range: 10-50 m (open space)6. Power supply: 12 V 27 A7. The remote control comes with batterySecurity of use: Dynamic code provides a high level of security, non-copyable code.Disclaimer: Your old remote control must be the same as in the advertisement, the new remote control is not compatible with other remote controlsFeature1. Free battery2. Free programming instructions3. Free keychain4. Solid design5. Built-in battery6. Button protectionProgramming transmitter to receiverThe remote control has the same function as your original remote control. It should be programmed with your original receiver according to your original manual when you receive it.1. Locate the Learn/Code Set button on the motor. This is usually under the lamp cover or on the back of the motor.2. Press the Learn/Code Set button once and release it. A light should illuminate.3. Press the desired transmitter button once and the light will turn off.4. Press the remote control again and the light on the motor will flash and then turn off, indicating that the remote control has been coded.5. Test the remote control's function.Includes remote control battery Keychain English manual Shipped within 24 hours (excluding holidays) Professional certification, high-quality customer service