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Acrylonitrile Butadiene Styrene (ABS) Body
Provides you with a headphone output
full-color manual 250 experiments
switch and panel screws
Stackable design: The shield can be stacked with other shields
Velleman VM144 Telephone Ring Detector LED Electronics for Kids Acrylonitrile Butadiene Styrene (ABS) BodyGeneral Information Manufacturer Velleman Part Number VM144 Product Type DIY Electronic Project Miscellaneous Features 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 additional ringer, to
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