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3-Watt led light bulbs, This is a globe ball bulb with E26 screw base,This is an excellent bulb for 20-Watt incandescent bulb replacement. Light output is 160 lumens,Warm White. Lifespan of up to 50,000 hours means that equates to 18 years lifetime if turn on lamp 8 hours a day. Applications included: Home lighting, Residential Lighting, Commercial Lighting, Accent Lighting, Reading Lights, Display Lighting, Desk Lamps, Business Lighting, Security Lamps, Walkway Lighting, Illuminant Lighting, Hotels, Restaurants, Bars, Night Clubs

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Features

• 50000 hours of usage
• Base type: E26
• Brightness: 160 +-20-percent lumens
• Energy Consumption: 3-Watt
• Beam Angle:30-Degree

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The VanGuard 1254SL stereo microscope has binocular viewing eyepieces, dual-magnification of 2X and 4X mm objectives for a range of resolution and applications, a 10X widefield eyepiece, and upper and lower LED illumination. This microscope enhances object or image resolution with a stereo optical system that produces three-dimensional images. It is commonly used for inspection and dissection in basic research and for educational applications. This microscope features a binocular viewing configuration with two eyepieces to ease eye strain, and provide a more comprehensive view. The viewing heads are fixed vertically at 45 degrees, rotate 360 degrees, and have rubber eyepieces to block out external light interference. The microscope ha

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Features

• Stereo microscope for inspection and dissection creates three-dimensional images for basic research and educational applications
• Dual magnification of 2X and 4X objectives, and a 10X widefield eyepiece for a range of resolution and applications
• Binocular viewing heads ease eye strain and provide a more comprehensive view
• Upper LED illumination reflects light off of the specimen, and lower LED illumination transmits light up through the specimen for enhanced visibility
• Five-year mechanical and optical warranties, and a one-year electrical warranty

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Heat-free technology. Lights up faster. Mercury-free. 20W equivalent. Indoor/outdoor dry location. Not dimmable.

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Features

• Replaces halogen bulbs in track, spot and curio cabinet applications
• LEDs do not radiate heat like the halogen bulbs and have a wide angle beam with suggested use in 120Vac rated fixtures
• Instant full brightness-no warm up time like fluorescent bulbs
• Indoor use only and non-dimmable
• Assembled in the USA

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The Van Guard 1131ZL stereo zoom microscope has binocular viewing heads, LED illumination, and a zoom magnification range of 0.75X to 3.4X (4.5:1), with a 26.0 to 5.8 mm field of view (FOV) for a variety of applications. This microscope enhances object or image resolution with a stereo optical system that produces three-dimensional images. It is commonly used for inspection and dissection in research applications. The 1131ZL features binocular viewing heads that ease eye strain and provide a more comprehensive view. It has a Greenough optical system for precision image creation. The heads have a fixed, 45-degree vertical inclination, and rotate 360 degrees. Two heads have rubber eyepieces to block out external light interference. The

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Features

• Stereo zoom microscope for inspection and dissection creates three-dimensional images
• Binocular viewing heads ease eye strain and provide a more comprehensive view
• Zoom magnification range of 0.75X to 3.4X (4.5:1) with no fixed intervals for precision viewing of points within range
• Upper LED illumination reflects light off of specimen, and lower LED illumination transmits light up through object
• Five-year mechanical and optical warranties, and one-year electrical warranty

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Kessil H150 is an innovative high intensity LED grow light designed specifically for indoor growing experts. At the heart of this device is a patented LED technology platform, a high-density LED array core encompassed by specially created optics, that puts out a powerful stream of light for in-depth penetration into plants. Attached to an advanced thermal management system, each unit runs coolly and efficiently. Drawing less than 36W from the plug, H150 is truly a high performance, energy saving, and long lasting light fixture made to meet today’s demanding indoor gardening requirements. The compact H150 is extremely modular and provides growers the flexibility to arrange lights according to different growing environments. The number of H15

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Features

• energy efficient
• 36 watts used = 150 watts of HID light energy
• low heat output
• light weight
• no drop in light output as lamp ages

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Product Information

This listing is for 2 Brand new Environment friendly Solar floating LED light.
Package includes: two pcs Solar rechargeable floating rainbown pool LED light.
Size: Diameter 4 3/8″ x H 4 3/4″ (11.2cm x 12cm)
Completely waterproof, Made of High quality anti-heat plastic.
Built in Solar Panel to absorb the sunlight to power the LEDs.
Easy to light up, just push the middle botton
Free energy, no electricity required.
Float it in your pool, spa, pond, fountain, enjoy the fascinating lighting effects created by continuously changing colors
The Panel collects sunlight & recharge the battery inside during daytime, and the LEDs automatically turn on after dusk sunset
The light sensor is very sensitive, it won’t light up ev

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Features

• Package includes: two pcs Solar rechargeable floating rainbown pool LED light
• Built in Solar Panel to absorb the sunlight to power the LEDs
• Float it in your pool, spa, pond, fountain
• The light sensor is very sensitive, it won’t light up even you push the switch if the sensor exposed in the light
• At least 8 hours running time after fully charged

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The VanGuard 1252 SL stereo microscope has binocular viewing eyepieces, rubber eyecups, dual-magnification of 1X and 2X mm objectives for a range of resolution and applications, and upper and lower LED illumination. This microscope enhances object or image resolution with a stereo optical system that produces three-dimensional images. It is commonly used for inspection and dissection in basic research and for educational applications. This microscope features binocular viewing eyepieces with two heads to ease eye strain, and to provide a more comprehensive view. The viewing heads are fixed vertically at 45 degrees, rotate 360 degrees, and have rubber eyepieces to block out external light interference. The microscope has a Greenough op

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Features

• Stereo microscope for inspection and dissection creates three-dimensional images
• Dual magnification of 1X and 2X objectives for a range of resolution and applications
• Binocular viewing heads ease eye strain and provide a more comprehensive view, and rubber eyecups for comfortable long-term viewing
• Upper LED illumination reflects light off of the specimen, and lower LED illumination transmits light up through the specimen, for enhanced visibility
• Five-year mechanical and optical warranties, and a one-year electrical warranty

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Product Information

- UL508 recognized – Install in accordance with National Electric Codes – Minimum Starting Temperature: -4F/-20C. – Data shown is at full light output.

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From the dialogues of the ancient Greek philosophers right up through the physical laws of Newton, the experiments of Thomas Young and the quantum physics pioneers, the study of light was all about observing its characteristics and defining its behavior. At the end of the 19th century, wicks, wax, and oil gave way to electricity, filaments, and gases, and scientific minds began to focus on the technological creation of light, as well as its control and diverse uses. Yet, despite more than a century of profound research and development, until now, the most complete resources on lighting technology have always been compiled by and subject to the biases of commercial lighting companies.

Light Sources: Technologies and Applications answe

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Features

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This is a microscope illuminator light source control box that offers 150 Watt halogen lighting, providing strong, even and cool daylight illumination. The light source comes with a built-in heat filter for cool light, a specially designed slot for color filters, and solid state controls for full adjustment of intensity. Its top window design is convenient for changing bulbs. Its auto-shut-off mechanism will cut off electricity automatically when the window is open. The light source comes with a two-step mounting adapter with 5/8″ (16mm) and 25/32″ (20mm) inside diameters for attaching fiber optic light cable, either gooseneck or ring. This cool high intensity lighting system is excellent for biological and electronic applications. This uni

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Features

• 150 Watt Halogen Light Source Control Box with Variable Intensity
• Built-in Heat Filter
• Convenient Top Window Design for Changing Bulbs
• Auto-Shut-Off Mechanism for Electrical Safety
• High Intensity 24V/150W Quartz Halogen Bulb

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