Customer Service: If you have any questions about your order or model, please contact us directly and we will get back to you within 12 hours on weekdays. Package included: 1 x IR remote control (batteries and instructions not included). It can solve the problem when your home remote control is not working and becomes your backup remote control. Easy to use: New ABS material, better craftsmanship and ergonomic arc design ensure an easy grip. The buttons are responsive and feel good to the touch. With a control distance of over 8 meters and an angle of more than 120 degrees, you get a better and freer remote control experience. How to pair: Please pair before use. Press and hold the Vol+: and Vol-: buttons to start pairing. Compatible models: replacement projector remote control compatible with AURZEN Boom 3 projector, for Goodee Boom projector, for Elephas NexiGo projector, for YG600-Movin projector