Why choose me? * Aliexpress Sales Champion * Very good reviews * Quality assurance * Quality service * Shipping in 12 hours Compatible Models SMXI / OXI / FLOX2R / FLOX4R / SMX2R / OX2 / OX4T FLO1R-S, FLO2R-S, FLO4R-S, ON1, ON2, ON4, ON1E, ON2E, ON4E, FLO1RE, FLO2RE, FLO4RE, Very VR, INITI (all colors) INTI1, INTI2;INTI1Y INTI2Y;INTI1L INTI2L;INTI1B INTI2B;INTI1R INTI2R;INTI1G INTI2G;INTI2Y/A, INTI2/A, INTI2L/A, INTI2B/A, INTI2R/A, INTI2G/A. Access to receiver required. Please make sure you have access to your receiver/opener before purchase. Description 1. Type of programming: Programming with the receiver 2. Channels: 2 / 4 3. Code: Rolling Code 4. Frequency: 433.92MHz 5. Range: 50m-100m 6. Battery:( Include Battery ) Include Remote Control Include Battery English Manual Keychain How to use it ? You need to use it and your radio receiver to register programming activation. If you can't use it, please contact us, we will help you, thank you