Our phone manager plus features an easy to use design that records data on up to 2000 incoming and outgoing telephone calls. Specifications: ¥ Identifies the source of incoming calls by displaying the number of the call ¥ Identifies the source of outgoing calls by displaying the number of the call ¥ Small convenient size ¥ Monitors calls on any analog line ¥ Low power consumption ¥ Large memory capacity SIZE: 3 3/4" x 3 1/4" x 1 3/4"