(including 0 for tubes off). Daily schedule with 4 intervals for auto-adjust brightness. Daylight Saving Time for Europe/US/disabled. Battery backup for timekeeping during power off (CR2032 in socket). 21 x 6 x 9 cm.Other special designs at your request, please drop me a line and maybe I'll make your dream clock! This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets". The seller is "monjibox" and is located in this country: RO. This item can be shipped worldwide.