Note : For the best reception , please check the following tips 1 . This digital HDTV antenna is intended for indoor use only 2 . Placing the antenna higher or closer to the window may result in bettreception . You must re-scan whenever you move the antenna 3 . Keep the antenna away from any sources of interference and keep theantenna away from those big power consumption devices such asconditioner elevator , hairdryer and microwave oven . et 4 . If you use a flat HDTV , please go through your TV manual to make sure your TV comes with built-in tuner for free view 5.Make sure you are using a HD receiver , otherwise no HD channels can bepicked up . Please read receiver manual 6 . You need to re-tune the antenna position and re-scan the digital channelsover and over again to ensure that you have received all available freeannels Re-tuning takes only a few minutes and can be done with youremote control 7 . TV reception capacity depends on the distance among your hone ,transmitting tower and surrounding environments . 8 . For maintenance of the antenna , please use soft cloth with diluent milddetergent to clean its shell