- Displays ?ringing?, ?on-the-phone? or ?message waiting?- LED visible up to 100 ft (30m)- Power supply included- Attractive new compact package- Connects with a modular cord- Special ?T? adapter provided for handset applications- Easy to install - Power: 120VAC / 12VDC 500mA, UL listed adapter provided- Dimensions: 76mm x 112mm x 36mm (3.0? x 4.4? x 1.4?)- Shipping Weight: 0.68kg (1.5lbs)- Environmental: 0?C to 32?C (32?F to 90?F) with 5% to 95% non-condensing humidity- Light: 19mm (0.75?) red LED- Visiblity: 30m (100 ft) typical- Message Waiting Voltage: 90V - 125V- Connections: (1) RJ11 jack,(4) cage clamp screw terminals - Great for:- Households- Call centers- Telemarketing- Product support groups- Office cubicles- CO based voice messaging- Purchasing departments- Sales offices