1. Shell material: ABS 2. Key material: silicone 3. Transmission distance: more than or equal to 8m 4. Power supply: 3 x AAA (not included) 5. Learning remote control, macro command function, you can turn on the TV regularly, saving worry and power 6. Permanent memory function, even if there is no power, the original settings will not be lost, avoiding the trouble of resetting 7. Key transfer function, using the transfer function, one key to get it done, convenient and quick 8. Volume sharing function, after setting this function, the volume of multiple devices can be controlled by the volume of the TV 9. Dimensions: about 21 x 6 x 2.5cm
