For a range of basic experiments such as electric doorbell experiments in science laboratory. Made of plated pressed steel gong diameter 6.8mm. Total length 15.5cm. Works on 3V dry cells. Coils are enclosed under a removable plastic cover with 4mm socket terminals.
Cash in Advance (CID), Cash Advance (CA)
500 Piece Per Day
Main Export Market(s)
Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia