Osram Tube light 28 W Lumilux T5 HE Tube Light High Efficiency Fluorescent 3000k Warm White /4000k Cool White / 6000k Day Light - ( Pack of 10 or Pack of 5 ) 10AX " suggesting that it combines

" suggesting that it combines an electrical socket with an integrated switch

Matte white or matte black finishes for the lights

The bulb has a very low energy consumption

Device Name: The device is referred to by the short name "KB31

Switch Function: 2-way switch with looping terminal for controlling a single load from multiple points

Osram Tube light 28 W Lumilux T5 HE Tube Light High Efficiency Fluorescent 3000k Warm White /4000k Cool White / 6000k Day Light - ( Pack of 10 or Pack of 5 ) 10AX " suggesting that it combinesUp to 20 % more economical than LUMILUX T8. Areas of application Public buildings, Offices, Shops, Supermarkets and department stores, Industry, Outdoor applications only in suitable luminaires. Very good lumen maintenance: 90 % throughout the service lifetime of the lamp. Good color rendering index. Dimmable.