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American Poems: Tools & Hardware: Mr. Beams MB850 Indoor Wireless Slim LED Light with Motion Sensor Features, White
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Mr. Beams MB850 Indoor Wireless Slim LED Light with Motion Sensor Features, White

Mr. Beams MB850 Indoor Wireless Slim LED Light with Motion Sensor Features, White
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  • Brand:Mr. Beams  
  • Category:Home Improvement
  • List Price: $14.99
  • Buy New: $13.97
  • as of 1/26/2015 21:49 EST details
  • You Save: $1.02 (7%)
In Stock
New (2) from $13.97
  • Seller:Dollar Direct Online
  • Sales Rank:57,511
  • Color:White
  • Media:Tools & Home Improvement
  • Number Of Items:1
  • Size:1-Pack
  • Shipping Weight (lbs):0.1
  • Dimensions (in):4.4 x 2.6 x 1
  • Warranty:1-year warranty against manufacturer defects
  • Model:MB850
  • UPC:855691005458
  • EAN:0837316008501
Availability:Usually ships in 6-10 business days

  • Extremely bright LED provides 35 lumens of light with minimal power consumption.
  • Sophisticated motion sensor combined with a light sensor allows this slim LED light to turn on only when it is dark and only when motion is detected, auto-shut of can be set at 20 or 60 seconds.
  • Simple wireless installation in minutes using using two-sided tape or mounting screws (both included).
  • Slim profile LED light hides anywhere. Works great as an under cabinet light, gun safe light, work bench light, Closet light, or pantry light.
  • Unit easily slides out of mounting bracket to change batteries (4 AA Batteries per unit-not included)

Editorial Reviews:
The MB850 Wireless Motion Sensing LED Slim Light is the newest addition to the Mr. Beams line of intelligent LED Battery Operated Lights. This incredibly bright light allows you to illuminate any area of your kitchen, closet, garage, basement, tool shed or workroom wirelessly. Intelligent motion sensor activates the powerful battery-powered LED to give you light whenever you need it, while avoiding unintentional activations. When you are done the light shuts itself off automatically. Put one under the kitchen cabinet to light your counters for a safer work space. Stick one next to your workbench to make grabbing a tool from the garage that much easier. Install at the base of a closet to make those tough to find items instantly appear. The MB850, which is the size of a smartphone, is an efficient and unobtrusive solution to add lighting to difficult areas where you never could before. Under cabinets, shelves, bookcases, work benches, sheds, storage rooms, crawl spaces and more, will now be much safer and more accessible with the MB850. The MB850 is installed by attaching the removable outer case to any surface with two mounting screws or with two-sided tape (both included). Installation takes minutes and can be done by anyone – no electrician required. Once the outer case is attached, simply slide the MB850 in place and your have bright light for over 30 hours on a single set of batteries. 4 AA batteries provide 35 lumens of bright white light that covers over 10 square feet. Product Includes: 1 MB 850 White Under Cabinet Light, 2 Mounting Screws, 1 Piece of Two-Sided Tape, Under Cabinet Mount Kit and 1 Instruction Manual.

The Mr. Beams MB850 slim LED light is a bright battery-powered motion sensor light that attaches anywhere for instant bright light without wires. Attach under a cabinet, in a pantry, under a shelf, in a closet or utility room, as a task light or inside a drawer--it's the same size as a smartphone for easy placement. The LED light turns on when it detects motion and then turns off automatically. Mr. Beams offers simple installation with no wiring and no electrician needed.

Mr. Beams MB854 Indoor Wireless Slim LED Light with Motion Sensor
The perfect LED light for under a cabinet, in a pantry, under a shelf, in a closet or utility room, as a task light or inside a drawer (view larger)

Motion Sensor Activated

The slim LED light instantly turns on when it detects motion, and can detect motion from as far as 5 feet away with a wide field of motion detection.

Bright LED Light

The bright high power LED provides 35 Lumens of bright white light. The LED is a high color rendering index (CRI) LED providing a clear, high quality light source.

Durable, Energy-Efficient LED

The bright LED never needs replacing--it's so efficient that you can get more than 4,500 activations on one set of batteries when set to 20 second auto shutoff.

Auto Shut-Off

Mr. Beams stick anywhere Slim LED Lights have a switch selectable automatic turn off after 20 seconds or 60 seconds of no motion, conserving battery life.

mr beams logo

At a Glance

MB850 Slim LED Light
  • Battery-powered, wireless LED light
  • Single MB850 motion sensor slim LED lights in white
  • Motion sensor with a wide angle range of up to 5 feet
  • 35 lumens of light over a wide area
  • Auto shut-off after 20 or 60 seconds without motion
Mr. Beams MB854 Indoor Wireless Slim LED Light with Motion Sensor
Under cabinet light attaches anywhere without wiring and illuminates a countertop (view larger).

Photocell Activates LED Only in Low Ambient Light

The slim light has a photocell inside that activates the LED when it is somewhat dark to conserve battery life. When installed the slim light should be installed in a space that is fairly dark. It does not have to be complete darkness as the light sensor will enable the light if the detected light level is low (with a light intensity below about 10 lux at the light).

Recommended Applications

The Mr. Beams motion-sensing slim LED light provides bright, clear light where you need it, when you need it. One unit can light up to 10 square feet of counter space. It is perfect for lighting kitchen counters and cupboards. Perfect to light inside cabinets, closets and armoires. Its low-profile design hides the unit while providing hands-free light for your kitchen, pantry, closet and storage areas. It can also be used as a task light allowing easy installation under shelves anywhere you need additional light, such as work benches, desks and storage areas. Attach these slim LED lights anywhere in minutes without an electrician.

Indoor and Outdoor Lighting Solutions from Mr. Beams

Mr. Beams LED lights provide indoor and outdoor lighting solutions where you need them most. Intelligent motion-sensors and remote controls activate battery-operated LED lights for hands-free lighting. Mr. Beams designs LED lights to satisfy indoor and outdoor LED light applications. All Mr. Beams LED lights install easily--no wiring, no electricians--so you can be assured of quality LED lighting anywhere.

Mr. Beams MB854 Indoor Wireless Slim LED Light with Motion Sensor
The Mr. Beams slim LED light inside a storage cabinet (view larger)

Mr. Beams MB854 Indoor Wireless Slim LED Light with Motion Sensor
The features of the Mr. Beams MB850 slim LED light (view larger).

Tips on Operation

For indoor use only. A kit is included for use as an under cabinet light. This kit includes a sticker that can be attached to the unit to limit the motion detection range and reduce activations from foot traffic.

Installation under a cabinet or shelf can be done by first installing the mounting plate with the provided screws or double sided tape. The double sided tape is strong enough for permanent installation or you can also use the provided screws. After your light is installed in its permanent location, the motion sensor will trigger the light as soon as movement is detected. The Mr. Beams Slim LED Light will automatically shut off when after a period of time of no motion.

To optimize battery life, set the auto shutoff to 20 seconds. The motion sensor should always be oriented so that the sensor is closest to the walkway / front of cabinet / front of shelf where motion is to be detected. The best mounting location for the unit is as far away from the walkway / front of cabinet / front of shelf as possible while still illuminating the target surface. If the light is activating by motion too often, reposition the light further away from traffic. Excessive activation by motion will result in faster battery drain.

Mr. Beams MB854 Indoor Wireless Slim LED Light with Motion Sensor
The Mr. Beams slim LED light over a utility sink (view larger)

What's in the Box

One Mr. Beams MB850 motion sensor slim LED light (white), one under cabinet kit, one mounting plate, two screws, one piece of double sided tape, user manual. Runs on four AA batteries per unit (not included).


Bulb type LED
Bulb color Neutral white
Bulb life 50,000 hours
Bulb strength 35 lumens
Light range 10 square feet of counter space
Motion detection range 5 feet
Power source 4 AA-cell Alkaline batteries per light (not included)
Dimensions 1.0 x 2.6 x 4.4 inches
Weight 7 ounces

Requires four batteries (not included)
Requires four batteries (not included); view larger)

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