Type: Controller Frequency: 868.3MHz Remote Control Distance: 50-100m(open space) Battery cr2032 for 868.35mhz for Digital D382 868 for Digital D384 868 for Digital D302 868 for Digital D304 868 for Digital D313 868 for Digital D321 868 for Digital D323 868 for 131 868 How to Face to face copy your remote control Step:1:Clear the history code from duplicator 1.Press button A and B continuously until LED flash 3 2.Release button B (Keep pressing button A),and press button B Slowly for 3 ,LED flash 3.Release button "A",finish code clearance. ,Copy code from transmitter 1.Put duplicator of transmitter,as as possible. 2.Press and hold button A of transmitter,then press and hold button A of duplicator until you see the duplicator's LED flash 3.Release both buttons,finish code copy,copy other button in same way. Button A= Lock button Button B=unlock button The two remote controls are not compatible with each other, select the frequency color:Black + silver Material:Metal+PVC Package Contents: 1 x Remote Control 1 x Battery 1 x Keychain Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.