1. Type of programming: Programming with the receiver2. Frequency: 433.42 MHz3. Code: Rolling Code4. Buttons: 2 5. Battery: Include BatteryFeatures:When your remote control is lost, you can buy our remote control and pair it with your receiver, after the remote control is programmed successfully, you will get a new remote controlCompatible Models: 2 / NS 4 Remote ControlAccess to receiver required. Please make sure you got access to your receiver/opener before purchase.How to program ?1. Press the PROG button on the receiver (2 seconds) until the indicator light comes on,to go to programming mode.2. Briefly press the PROG button on the back of a transmitter A or the button to store on atransmitter B; the indicator light flashes.Note: it is possible to go to programming mode withone remote control already stored on the receiver bypressing the PROG button on the remote control untilthe indicator light comes on, to then store a newtransmitter.Colour:BlackMaterial:PlasticPackage Contents:1 * Remote ControlOnly 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.