This remote control is ready to work out of package. Simply put in new batteries (NOT Included), you can operate the device successfully again.
Please refer to the projector user manual when using the remote control. It will help you understand the functions of every button.
Normally, the projector user manual is available on manufacturer's website. If you need assistance, feel free to reach out to us.
Notice: Please point the remote control to your projector when operating it.
Warranty: Refund available within 30 days, exchange available within 12 months from order date.