for SMILO SM2/SM4 is a remote control (the latest model) with a sturdy black casing<br> Simply program the receiver or access the control panel.<br> This for Smilo remote control is not compatible with the for Flor& radio controller.<br> Use security: dynamic code provides a high degree of security, non-copyable code.<br> <br> Type: For use with receiver programming<br> Frequency: 433.92mhz<br> Code:Rolling Code<br> Channels:2 / 4 Buttons<br> Distance:Open space 10m-150m<br> Remote Control Model:for SMILO SM2;for SMILO SM4<br> Receiver Models:SMXI,SMXIS,SMX2,SMX2R,OXI,OX2<br> Access to receiver required. Please make sure you got access to your receiver/opener before purchase.<br> Due to different factory batches, the product words are different, and the product accessories have slight differences in color and appearance, but it does not affect normal use<br> Each remote control comes with one x 23A dry cell battery<br> Colour:Black<br> Material:ABS<br> <br> Package Contents:<br> 4 x 433.92mhz rolling code 2-button remote control<br> <br> Only the above package content, other products are not included.<br> 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.