The call block device has a 2000 number blocking capacity. Completely keeping your phone quite without annoying call.<br> The phone number blocker can block area codes, it's useful for those aggravating calls that deceptively adopt your area code and any exchange.<br> One-touch blacklist function, super easy to operate even without manual.<br> The phone call blocker is thegreatest invention to enhance the privacy of your home phones. Say goodbye to all annoying voice-mails.<br> With just 6 buttons on the blocker and clear LCD screen, friendly for older people as well. A great choice for .<br> Note:due to different batches, the printed words of the products are different, which does not affect the use.<br> Size:10 x 9 x 4cm<br> Weight: 85g<br> Color:Black<br> Material:ABS<br> Package Contents:<br> 1 x Blocker<br> 1 x Connecting Cable<br> 1 x English instruction manual<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.