1. ERF3AA80 ERF3AA80H Voice Replacement Applicable for Hisense Smart Android TV 32A45FH 32A4H 40A4H 40A45H 43A4H 2.Pairing required. Please pair this remote with your TV before use. 1.Pair the remote to the TV after you power it on. Keep the remote control within 10 feet from the TV. Press and hold the [] button at least 3 seconds to start pairing. 2.If the remote paired successfully then a confirmation will display on the screen. If it did not pair successfully then an 'unsuccessful' message will display. Repeat step 1. 3.Power Supply: 2X 1.5V AAA Alkaline Battery. Batteries and manual are not included. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.