The call block device has a 2000 number blocking capacity. Keeps your phone free from unwanted calls. The phone number blocker can block area codes, helping reduce unwanted calls that appear to come from your local area code. One-touch blacklist function for easy operation. This phone call blocker helps protect the privacy of your home phone. Featuring 6 buttons and a clear LCD screen, it is user-friendly for older individuals. Note: Due to different production batches, printed text on the product may vary slightly but does not affect functionality. Size: 10 x 9 x 4 cm Weight: 85g Color: Black Material: ABS Package Contents: 1 x Blocker 1 x Connecting Cable 1 x English Instruction Manual Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.