| 摘要 |
An energy saving lighting appliance in which, in a single housing (10), there is housed a tungsten halogen (TH) lamp (11) and a low energy (PL) lamp (13). A further housing (16) contains a PIR sensor (17) and CDS cell (18). A selector switch (25) and timing devices (26, 27, 28) are provided to determine automatic illumination and extinguishing as required, of the two lamps. |
