Solar Automatic School Bell

Product Features:
As the name indicates, it automatically rings the bell, accoring to the programmed time set by us.
max 80 programs can be set.
AUTO/MAN: if the timer is in AUTO, the bell rings automatically as programmed. In the manual set up, we can ring the bell manually.
Time length of the bell ring can also be set.
It is easy to operate similar to digital clock.
The Automatic Bell Timer consists of solar panel, charge controller, batteries and ring bell.
Batteries were charged first by solar power and give backup to bell when solar power is not avilable
Working voltage: SOLAR/DC 24 or 12v /AC 230V.
power consumed: <4W
max time length: 1s-23h 59m 59 s
condition temp: -10 to +50 deg C