The Silent Sentinel
The Silent Sentinel is a truly Solar Powered Advanced Warning Arrow Panel made by Solar Technology, Inc, USA.
- The Silent Sentinel is designed to take the full advantage of the solar energy by having top-mounted solar array, high capacity battery bank, energy efficient lamps and electronics that ensure continuous operation in all kinds of weather and geographical conditions.
- Environment friendly, silent and non-polluting, by using the renewable solar energy source.
- Reduced cost of ownership. Requires no fuels, lubricants or service calls.