Magnifying Aids - Your Low Vision Superstore! Telephone Line Auto Hang Up Box With Timer + Loud Ringer Authorized Dealer The Auto Hang Up Box will allow the phone line to remain open to calls even when the handset is not properly set down, or in the case of cordless handset, switched off. Without the Auto Hang Up Box, the phone line would remain busy, and unable to receive incoming calls. Works on PSTN / VOIP / Cable lines. Features: * Color: White * Loud incoming call ringer (hearing impaired friendly at 95 dba) * Very bright LED incoming call alert * Adjustable ringer switch (Lo | Hi | OFF) * Adjustable tone/pitch switch (3 ring tone options) * Fail safe Call Timer (15 / 30 / 60 /Unlimited) * A/C Adaptor Supplied * Very bright LED * Uses Regular RJ11 plugs * Works on PSTN / VOIP / Cable lines * Desk and wall mountable * Connects easily to telephone * FCC Approved * Size: L 4" x W 4" x H 2" Model: FC-0401 SKU#: 120401 Shipping Weight: 1.1 lbs.