Description: Never miss another call! The phone ring amplified will alert you of an incoming call. With red strobe light monitors your phone line; it is a real attention-getter. 2 level ring tones switchable. Increase the volume of telephone rings in noisy places; such as schools, factories, offices home. It also a great tool for the hearing impaired. Portable design, easy for installation. Specification: Material: ABS Color: White Size: Approx. 97x60x24mm/3.82x2.36x0.94inch Working Temperature: -10 °C~50 °C Suit for: 6P2C Voltage: 12V Package Includes: 1 Piece Phone Ring Amplifier