1. This is not a universal Lennox air conditioner remote control and it is only compatible for remote control model number: "ZH/JT-03", please check you old remote control model number before place order. 2. Display in Celsius but it also works for Fahrenheit Air conditioner. 3. No battery included. If you have any questions or you are looking for some other remote control models, please feel free to contact us,or leave message to us on amazon. We are professional in remote control for AC\TV\DVD\projector and so on.