Compatible Brand: For Tech4home LdaType: TV Remote ControlChannel: 1Frequency: 433 MHzMaterial: ABS MaterialColor: 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)Note: This is an original remote control. No programming or setup is required. Product function Before using the remote control, the user must pair the target device with the remote control. The remote control should be paired with the target according to the steps below. Pairing process: 1.1 First, make sure the device is turned on, provide 3V electricity to the remote control, the LED light on the remote control will light up 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 the remote control can be searched on the mobile device, click connect, the LED light on the remote control will flash three times slowly (flashing once per second) if the pairing procedure is completed successfully. Note: Pairing procedure failed: If the LED light on the remote control flashes three times quickly (flashing four times per second) it indicates that the pairing procedure failed, and you must go back to step 1