The Inter range of internal sounders are designed for use in domestic applications and are available in three versions:
They are also available with or without an internal battery for SAB or direct operation.
The sound output for all models is 110dB(A). They have a low current consumption and feature engineer mode for silent start up.
The devices have a modern, stylish polycarbonate cover which can be screen printed with a company logo if required (not 500(S) model).