External IR/Human/Ambient Light Sensor and Remote Control Kit recommended for UN462A and UN462VA video walls. Can also be used with the Vxx4Q and Cxx1Q products. May only act as external IR sensor if used with older generation display. Recommended one kit per video wall. NEC Human Sensor KT-RC3 - Presence sensor for remote control, audio cable, AAA battery - for NEC C651, UN462; MultiSync C651, C751, C861, C981, UN462, V554, V654, V754, V864, V984.