Upgrade your garage door opener with these compatible remote controls for HORMANN ECOSTAR. * **100% Compatibility:** Fully compatible with ECOSTAR RSC2 and ECOSTAR RSE2 models. * **Complete Package:** Includes a free battery, free coding instructions, and a free keychain. * **Robust Design:** Features a durable build with a built-in battery and button protection. Specifications: Programming Type: Receiver Programming Number of Channels: 4 Code: Rolling Code Frequency: 433.92 MHz Range: 10-50m (open space) Power: 12V 27A Modulation Mode: ASK (AM) Power Output: 100mW Operating Temperature: -20°C to +50°C **Security:** Dynamic code provides a high level of security, making it impossible to copy. **Disclaimer:** Your old remote control must match the advertised model. This new remote is not compatible with other remote controls. **Includes:** 1x Remote Control, 1x Battery, 1x Keychain, 1x English Manual **Programming Instructions:** 1. Open your garage door receiver. 2. Press the programming button (usually labeled ENR, MEMO, or PROG). Some receivers may require you to hold the button. 3. The receiver's LED indicator will signal the start of programming mode. 4. Press and hold a button on the new remote control for one second, then release. 5. The receiver's LED will change or turn off, indicating successful programming. 6. Wait a few seconds for the programming mode to exit.