New rmt-tx100u replacement remote control applicable for sony bravia tv xbr-65x890c xbr-55x890c xbr-55x850c xbr-49x830c xbr-43x830c xbr-75x880c kdl-75w850c kdl-65w850c xbr-75x940c xbr-49x800c xbr-65x810c xbr-55x810c kdl-55w850c kdl-50w850c xbr-65x810c xbr-55x810c xbr-75x910c xbr-65x900c xbr-55x900c kdl-55w800c xbr-65x930c xbr-75x850c xbr-65x850c kdl-50w800c xbr-49x800c xbr-65x810c xbr-55x810c kdl-55w850c kdl-50w850c
no programming or paring is needed.just install new batteries and it is ready for use.
power supply: 2x 1.5v aaa alkaline battery.