[Universal Projector Remote]: This is a remote control for projectors, A new replacement remote control for all kinds of projectors [Remote control distance]: Remote control distance up to 10m/33ft with stable performance; The actual remote distance depends on your projector model[Battery Powered]: This projector remote control needs 2 "AAA" batteries as power supply; Batteries are not included in the package [Premium Material]: The replacement remote control is made of premium ABS material; Portable, Durable and Long Lasting[Friendly Service]: "Contact Seller" if you need help; We are here 24/7 at all times; Please remember we are only one mail away Note: The data are all manual measurement, please allow 1-3cm error, due to the difference in light and display, there will be some color difference, depending on the physical item received. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.