Compatible With Westinghouse 4K LED LCD Ultra HD Android Smart TV Models WG43UX4100,WG50UX4100,WG55UX4100.WG65UX4100 Pairing method: Press and hold the home button for 5 seconds and you can use it after pairing is successful. 【High Quality】：Made of High Quality ABS material, which is resistant to falling and has no peculiar smell, Built to Last for Long Lasting Use, and also keeps you and your children away from harm. 【Easy to use】：Easy to Pairing or setup, After inserting the battery(Not included), Simply follow the pairing steps until successful, and it will perfectly replace your original remote. 【Premium After-sale】：We provide a 1 year After-sales service. If you have any questions about your order, please feel free to contact us directly and we will get back to you within 12 hours. ABS Sturdy Materials Long-lasting & Reliable,The signal is strong and stable.