Features: 100% Brand new and High quality. This set offers Last number redial, On/Off and hangup buttons, so the lineman can check your telephone line fault. FSK/DTMF dual system. Hangup button. Last number redial. Specifications: Color: Gray Size: 147*46*28mm Net weight: approx. 117g Package weight: approx. 137g Package Included: 1 x Telephone tester 2 x Connector cables