Cristalys LCD digital clocks 
Features
Reflective LCD screen with very large viewing angle
4 models (Independent, Radio Sync, Slave wired, Slave wireless)
Battery life more than 3 years
4 casing colours: aluminium, champagne, white, burgundy
Power: Battery or 230V Mains
Cristalys 7 
LCD digital clock. Hours Minutes. 7cm digits. Viewing distance upto 30 meters. 160° angle of vision. ABS extra-slim case. Colours: aluminium, white, champagne, burgundy. For indoor. Constant saving of data. Mural fixing system with a theft protection device. Mounting option: double sided bracket for wall or ceiling mounting.
Cristalys Ellipse
LCD digital clock. Hours Minutes seconds and calendar. 6cm digits. Viewing distance upto 25 meters. 160° angle of vision. ABS extra-slim case. Colours: aluminium, white, champagne, burgundy. For indoor. Constant saving of data. Mural fixing system with a theft protection device. Mounting option: double sided bracket for wall or ceiling mounting.
Display options
Day and date (18 languages)
Day of the week
Temperature
Week number
Seconds
City name or message
Count down
Cristalys Date
LCD digital clock. Hours Minutes and calendar. 7/5cm digits. Viewing distance upto 30 meters. 160° angle of vision. ABS extra-slim case. Colours: aluminium, white, champagne, burgundy. For indoor. Constant saving of data. Mural fixing system with a theft protection device. Mounting option: double sided bracket for wall or ceiling mounting.
Display options
Day and date (18 languages)
Day of the week
Temperature
Week number
Seconds
City name or message
Count down
Cristalys 14
LCD digital clock. Hours Minutes. 14cm Digit. Viewing distance upto 50 meters. 160° angle of vision. ABS extra-slim case. Colours: aluminium, white, champagne, burgundy. For indoor. Constant saving of data.
Mural fixing system with a theft protection device. Mounting option: double sided bracket for wall or ceiling mounting.
View additional documentation (pdf file) 
Synchronisation
Wireless Clock System
DHF: Cristalys (all): 1.5V battery or 230V mains operated.
Wired Clock System
Afnor: Cristalys (all): Very low voltage supply (TBT) powered by master clock or 230V mains.
Impulse: Cristalys (all): 1.5V battery or 230V mains operated.
Standalone
Independent: Cristalys (all): 1.5V battery.
Radio: Cristalys (all): 1.5V battery.