Voice Replacement ERF3Y90H Remote Control Commander Compatible with Hisense Smart Google TV 85QD75N 100QD7N 65QD7N 85QD7N 75QD7N ^^ Pairing Required before use. Keep the remote control within 10 feet ( 304.8 cm) from the TV, hold "Back" and "Home" button at the same time at least 3 seconds to start pairing until you see the light pulsing on the remote control. ^^ This remote control use 2 x AAA size alkaline batteries. Battery not included.