Velleman VM144 Telephone Ring Detector with Relay Output

Telephone Ring Detector with Relay Output Features: pre-assembled module simply connect in parallel with phone line powerful led flashes when phone rings the unit will feature a relay output if connected to a 12VDC power supply relay output: continuous or on/off to the rhythm of ringing of the telephone complete with enclosure great for noisy environments, for the hearing impaired, as addional ringer, to replace existing ringer, ... accepts standard adaptor & telephone plugSpecifications: 10,000 mcd led! connects to PSTN line RJ11 connector Power supply required: 12VDC/100mA adapter (Recommend Jameco P/N: 100095) output Contact (NO): 1A max. dimensions: 3.15 x 2.16 x 1.37" Check out more fun and exciting electronic kits.