· Works For INSIGNIA NS-65F301NA23 65", NS-70F301NA23 70" Class F30 Series LED 4K UHD Smart TV· No programming is required. Just install new alkaline batteries and it is ready for use.· Power Supply: 2X 1.5V AAA Alkaline Battery· ***Battery and User Manual Not Included· NS-RC1US-21 / 224616582591