Please note that this is a compatible remote control, not an original product. Frequency: 433 MHz. Channels: 4. Battery: 12V/27A alkaline. Compatible list (RTS only): Keytis NS 2 RTS / Keytis NS 4 RTS. Keytis 2 RTS / Keytis 4 RTS. Keygo 4RTS. Telis 1 RTS / Telis 4 RTS. Telis Soliris 1 RTS / Telis 4 Soliris RTS. Telis 1 Modulis RTS / Telis 4 Modulis RTS. Compatible with similar receivers and gate openers: AX24ns, AC230ns, Axovia, Elixo, Ixengo, Axorn, AxRoll, Passeo, Dexxo, FreRoll, Oximo RTS, Orea RTS, Altus RTS, LT CSI RTS. Black Keytis programming. 1. Open the receiver box. It is located near your motor. 2. On the receiver board, press the Prog 1 programming button until the L1 LED light on the receiver turns on. 3. Press a button on your new remote control. Then release. The LED light on the receiver will flash and then turn off. 4. Wait 10 seconds. Your new remote control is programmed. White Telis programming with hidden button. 1. Press the hidden button for 2-3 seconds on the original remote control. 2. Press buttons 1 and 2 on the new remote control for about 1-2 seconds simultaneously, then press button 4 for 1-2 seconds. Your remote control is now ready to use. Contents: 1 remote control.