Compatible Brand: For Tech4home LdaType: TV remoteChannel: 1Frequency: 433 MHzMaterial: ABS MaterialColour: As ShownWeight: 0.10kg (0.22lb.)Quantity: 1 x remote control (batteries are not included)Unit Type: piecePackage: PP BagPackage Weight: 0.150kg (0.33lb.)Package Size: 28cm x 13.5cm x 0.5cm (11.02in x 5.31in x 0.2in)Remark: This is original remote control.No programming or setup required. Product operating Before operating the remote control, user have to pair the target device with the remote control, the remote should be paired with the target as steps below. Pairing Process: 1.1 First be sure that the device is on, provide 3V electricity to remote , LED of the remote control will turn on to indicate that it is now in pairing mode. 1.2 Open the Bluetooth search function on mobile devices, and if the Bluetooth name KHAMSIN O2)of remote can be searched on the mobile decice, click connect, LED of remote control will blink three times slowly (blink one time each second) if pairing procedure finish successfully. Remark: Pairing procedure failed mode: If the LED of the remote control blink three times quickly (blink four time each second), that indicated pairing procedure failed, and you have to go back to step 1