On/off according to the sunrise and sunset times.
Lights will only be on/off when necessary, thus saving energy.
Use for illuminating monuments, fountains, emblematic buildings, etc.
ASTRO NOVA CITY: option of using two independent circuits to control indoor and outdoor lighting in buildings.
ASTRO SAT: same specifications as ASTRO NOVA CITY and can also be programmed with GPS SAT with remote control and GPS positioner. Interchangeable battery.