Features: One-click copy, each key password is saved separately, can be copied and used a million times continuously. Strong privacy, especially suitable for copying your own remote control at home. Usage: 1. Before copying, erase the Test Code copied at the factory during production by simultaneously holding the two buttons on the front of the remote control (usually the lock and unlock buttons). After approximately three seconds, the LED indicator flashes, then releases. Press either button separately, short press the LED light does not light up, long press the LED light flashes three times to indicate that the internal code has been cleared. 2. Hold down the copy key on your laptop. Press and hold the corresponding key on the guest's laptop, near the receiving antenna. You can also adjust the angle of the two remote controls. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!