Frequency: 433.92MHz Scroll through code FLO2R-S remote controls are compatible with receivers like:SMXI / OXI / FLOX2R / FLOX4R / SMX2R / OX2 / OX4T FLO4R-S remote controls are compatible with remote controls like:FLO1R-S, FLO2R-S, FLO4R-S, ON1, ON2, ON4, ON1E, ON2E, ON4E, FLO1RE, FLO2RE, FLO4RE, Very VR, INITI (all colors) ERA INTI remote controls are compatible with remote controls like:INTI1, INTI2;INTI1Y INTI2Y;INTI1L INTI2L;INTI1B INTI2B;INTI1R INTI2R;INTI1G INTI2G;INTI2Y/A, INTI2/A, INTI2L/A, INTI2B/A, INTI2R/A, INTI2G/A. Note: This transmitter work work ONLY with receivers and remotes purchased outside of the USA!!! Not compatible with remote controls like FLO1R-S/A, FLO2R-S/A, FLO4R-S/A!!! Colour:Black Material:ABS Package Contents: 1 x Garage door remote control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.