Philips Cinema 219 Gold Series Smart LED TV 50PFL7956T 127 cm 50" Ultra wide screen Easy 3D with Ambilight Spectra 2 and Multi-view - Manual (Page 14)

Batteries
To open the battery cover, press the small button on the edge
of the remote control inwards and lift the cover. Use 2 type
AAA-LR03-1.5V batteries. Make sure the + and the - ends of the
batteries line up correctly.
Remove the batteries if you are not using the remote control for
a long time.
Dispose of batteries according to the end of use directives. Read
Help > Specifications > Environmental > End of use.
Cleaning
Your remote control is treated with a scratch-resistant coating.
To clean the remote control, use a soft damp cloth. Never use
substances such as alcohol, chemicals or household cleaners on
the TV or remote control.
14 Basics / Remote control