Garage door remote for Alutech AT-4n with 4 buttons learning code Garage door remote for Alutech AT-4n with 4 buttons learning codeThis product is a wireless remote control key, remote control equipment such as rolling shutter door and garage door within 50m-100m(free space). Bring you a new remote control experience, bring more convenience to your .<br> NOTE: Please that your receiver function is working properly before purchasing, because this product needs to be matched with your receiver first.<br> Disclaimer: Your remote control must be consistent with the picture described by us, and your remote control and model must be in the compatibility list of the store.<br> Frequency:433mhz<br> Code:Rolling code<br> Buttons:4<br> Battery:Include Battery<br> Distance:50m-100m<br> Scope of application:garage door, alarm, automatic door, rolling door, etc<br> Weight:0.027(kg)<br> Size:6.8x4.0x0.9(cm)<br> Colour:Black<br> Material:ABS<br> Package Contents:<br> 1 * Remote Control<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.