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This is a high-tech solar spotlight with eight ultra-bright, 50,000 mcd white LED

Part of the XR Line, the XR-5 is one of the world

Describes the key features of different bioenergy technologies and offers professionals expert guidance for installation; in full color throughout.Including clear technical details, data tables, and illustrative pictures explaining the fundamentals of different bioenergy projects, this guide reviews the main technologies and offers relevant best-practice examples. Beginning with an overview of the technologies and types of system available, this guide is packed with essential know-how on anaerobic digestion, bio-fuels, small-scale ovens, large-scale boilers, and gasifiers.

Measures instantaneous, maximum and average wind speeds. (Measurement unit options are knots, meters per second, kilometers per hour, miles per hour, feet per minute and Beaufort.) Measurement units can be changed at any time. Accurate, tough and affordable. Requires no setup. (Just hold it up to measure wind speed.)

Growth in photovoltaic (PV) manufacturing worldwide continues its upward trajectory. This bestselling guide has become the essential tool for installers, engineers and architects, detailing every subject necessary for successful project implementation, from the technical design to the legal and marketing issues of PV installation.
Beginning with resource assessment and an outline of the core components, this guide comprehensively covers system design, economic analysis, installation, operation and maintenance of PV systems.

The Skystream 3.7

Presenting EvoLux, the most powerful direct replacement LED Light bulb available. Using a breakthrough light engine, the EvoLux allows for the first time, the opportunity for every general lighting application to be replaced with an LED light bulb.
No more hassle and worries about breaking CFL

High-efficiency photovoltaic module using silicon nitride multicrystalline silicon cells. Ideal for remote telemetry, instrumentation systems, security sensors and land-based aids to navigation.

Our premier product, the XR-10 is the world

The CL-5 Bulb like all EarthLEDs is amazingly efficient. It only draws 5 watts of electricity, while at the same time operating below 125 degrees Fahrenheit. The end result is reduced cooling costs and operational safety above and beyond that of traditional incandescent bulbs.The revolutionary CL-5 is a great choice for anyone looking to replace an incandescent bulb housed in a lamp. Direct dispersion bulb technology provides a truly natural light pattern. With a high output 5 watt light engine, the CL-5 will provide light equivalent to a 60-65 Watt incandescent light bulb in the Cool White Version and 45-50 Watts in the Warm White Version.