A complete quartz controlled strobe light in a key-fob
Works for 50Hz and 60Hz platters/discs
Frequency selection by internal switch
(Button colour may differ from picture)
Rigid resin strobe record label size disc
Printed with 50Hz markings on one side & 60 Hz on reverse side
At 100mm diameter, the disc can be placed on top of a record label for accurate speed calibration with stylus drag taken into account.
Bands for 33rpm & 45rpm