Tubes are in sockets pins, not soldered! The case is made from a carbonized wood recovered from fire and encapsulated in resin then machined on CNC to make room for tubes and electronics.
Daylight Saving Time (DST) for US/EU/disabled. Incorporated battery for maintaining timekeeping during power outage (battery type CR2032). 4 user programmable brightness levels (including 0 for tubes off). 12 or 24 hour format. Date format dd:mm:yy or mm:dd:yy (user selection). Stabilized high voltage for bulbs, high efficiency power supply, low heat and long life. Precision better than 1 minute per year. Direct tubes brightness control by rotating the encoder. All settings are based on a single button, located at the back of the unit. Power supply adapter included 100-230V input, 12V stabilized output, EU plug type. For some countries socket adapter for outlet (not included) may be required. For US - travel adapter plug supplied.