TELEPHONE RING DETECTOR K710 Unable to hear your phone ringing? Noisy Environment? Missing important calls? A simple device that can be used to give a signal or to operate an electrical device every time the telephone rings. Very useful for noisy places, where a light signal or a siren can draw the attention to the phone better than the telephone bell or for cases where the telephone is in such a place that cannot be heard and you need a secondary bell. COMPLETE ISOLATION BETWEEN TELEPHONE AND LOAD (2000 - 5000V). SPECIFICATIONS: OPERATING VOLTAGE: 12-15VDC. CURRENT CONSUMPTION: 30mA. OUTPUT: RELAY SPD OUTPUT CURRENT: 10A (max) DIMENSIONS: 60 X 45 X 23 mm ENCLOSURE COLOUR: Black or Grey. User guide (English). 5 YEARS WARRANTY. Business seller information: S.P.C Electronics. Spyros Papakonstantinou. Paparigopoulou 20 Str. 8046 Paphos Cyprus. Value Added Tax Number: CY 90005904X I provide invoices with VAT separately displayed.