HMT Large LED Outdoor Clock Systems
Features
3 digit sizes available (20, 25 0r 40cm)
2 display colours: Red, yellow
Auto brightness control
Automatic winter/summer changeover
Very accurate (approx 0.2 second / day)
Power: 230V Mains
HMT 20 
Hour, Minute
Display of time, date and temperature, fixed or alternating.
Digit height 20cm
Viewing distance 90m
Outdoor use
HMT 25 
Hour, Minute
Display of time, date and temperature, fixed or alternating.
Digit height 25cm
Viewing distance 120m
Outdoor use
HMT 40 
Hour, Minute
Display of time, date and temperature, fixed or alternating.
Digit height 40cm
Viewing distance 200m
Outdoor use
View additional documentation (pdf file) 