A simple light source in a protective housing, used in the teaching of basic electricity. There are two versions of this light source which is housed in a simple transparent plastic vial. HL2012-001 uses 4mm sockets for connection and HL2012-101 uses 4mm spin free IEC terminals for the connection of cables.
These small light sources use an MES lamp screwed into a socket.

Genuine IEC product.

Instruction Sheet included.