sms solar all-in-one streetlight is ideal for garden, park, street, roadway, pathway, parking lot, private road, sidewalk, public square, plaza, campus, airfield, farm, perimeter security, wildlife and remote areas.
it switches on automatically when it's night time and switches off automatically when the day breaks.
No running cost.
It doesn't require any human resources/attention.
It's very very reliable.
No air and noise pollution.