Universal RX Multi Frequency 300-868MHz Receiver 2CH 12V 24V Relay Module Garage Door Remote Control

Operating Voltage: 9V-30V Frequency: 300MHz - 868MHz. Distance: 30-50 meters. One receiver can work with 400 codes. It don't interference other remotes and receivers. Color: as shown material: metal+PVC Package Contents: 1 x Receiver 1 x English manual 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.