A dimmable tamper resistant nightlight may include a body comprising at least one light emitting diode (LED). Plug blades may extend from the body. A dimming switch may be coupled to the at last one LED, the dimming switch configured to move between a first position that activates about 50% luminosity of the at least one LED, a second position that deactivates about 100% luminosity of the at least one LED, and a third position that activates about 100% luminosity of the at least one LED. A housing may be coupled to the body, the housing comprising an access opening through which the dimming switch may be moved among the first position, the second position, and the third position. A housing may also comprise a locking element configured to prevent the dimmable tamper resistant nightlight from being removed from the electrical receptacle.

Disclosed is a light effect projection device, including a control unit, a condensing diffraction assembly and a first lamp source, wherein the first lamp source and the control unit are both fixed in a housing, the first lamp source is electrically connected to the control unit, the condensing diffraction assembly is located above the first lamp source, the condensing diffraction assembly at least includes a plastic condensing lens, the condensing lens is shaped like a spherical crown or a semi-sphere, an incident plane of the condensing lens is concave, and the incident plane or an emergent plane of the condensing lens is of a polyhedral structure; further including a driving unit which is fixedly arranged in the housing and electrically connected to the control unit, wherein one part of the condensing diffraction assembly is fixed at a power output end of the driving unit for driving connection.

An adaptable coupling device with connection element and prismatic lens functioning as a termination means to provide seamless, integrated and continuous lighting to a distal portion of at least of one end region of a lighting element or light rail assembly.

A desktop USB device has power-wire(s) or storage-wire arrangement. The device has more than one separated distance away USB-Unit(s) by branch-wire(s) and have wire storage arrangement for at least one of an USB jump-wire, an AC power-wire, USB-charger wire or another charging related wire(s). The USB device and separated USB-Unit(s) to be installed on a desktop or floor at a hand-reachable distance from people, and install or attach anywhere by attachment so that there is no need for people to bend body or knee to get the USB-port(s) to charge i-phone or Tablet(s). The current invention use shortest #14 gauge AC wire for power strips and use long length of #18 gauge to supply DC power to USB ports built-in separated USB-unit(s) the charger. The USB-charger power-wire arrangement has by at least one main-wire and plurality of branch-wire(s) to connect with at least one of separated and distance away USB-Unit(s) incorporated with external USB-wire has at least 2 ends with male USB-plug to connect with each unit has at least one of female receiving USB-port(s) inside USB Unit(s), that can supply a desired output-current in the range of from 1.0 A to 50 A and at USB needed VDC by converting input AC power ranging from 110 VAC to 250 VAC. The USB device or power station may also optional to incorporate with at least one additional device such as at least one of (i) AC outlet, (2) sensor(s), (3) motion sensor, (4) remote controller, (5) time display, (6) LEDs, (7) IC, (8) 2nd LED(s) (9) Detecor for charging status and system, (10) power fail device, (11) diffusor equipment, (12) color changing, color selection, function selection for LED(s) light illumination. (13) other lights, (14) a power fail device, (15) a smell device, an (16) audio device, a video device.

An LED and/or laser light for night time or dark area use, such as a plug-in wall outlet night light or direct current (DC) operated desktop light, includes projection or pin-hole image features to project or present an image, message, data, logo, or time on a ceiling, walls, floor, or other desired surface, or an cover surface, inner housing wall. The optics piece surround light source including an optics-lens, slide, openings, cut-outs, film, grating, or holographic element to create an image at a desired location. The night light may have an adjustable angle or distance between light source and optics piece, as well as other adjustable position, location, or orientation features.

Desk top items with LEDs also include USB-unit(s) or USB-module(s) and, optionally, additional outlet-units, to supply charging power to other electric or digital devices such as a smart phone or digital data device. The USB-unit(s) or USB-module(s) are arranged to supply power only, and do not have an additional USB data transfer function.

A multiple function LED night light has at least one LED device and added function(s) such as an air-freshener adaptor device, sonic device, frequency device, sensor device, bug repeller device, second light device, timepiece, electric message device, timer device, temperature device, surge protection device, electric short circuit protection device, base device for installation on an existing lamp socket, emergency light device, or any other electric device(s) suitable for home use to keep people comfortable or safe. The LED device has a first optic means to change the narrow-viewing angle of an LED's spot-light beams into a wider-viewing angle and second optic means to help make the LED night light exhibit a smooth lighting effect. The device may be arranged to fit into an existing night light bulb socket to turn any existing bulb night light into a power saving LED night light.

The AC power source LED light device has moving image including LED light or LED Bulb has the moving project image by (1) LEDs on time difference period, or (2) magnetic field force to making moving, or (3) motor or movement to make move or changing of (A) the image-carrier which has preferred film/opening/printed piece/textures lens/treated lens/variable thickness lens/marked lens/sild/film/window with arts, or (B) project-lens, or (C) LED(s); to move or change position, or location. All big images or lighted patterns or lighted arts created from LED(s) emit light beam through image-carrier then through the project lens which at least has refractive function to make the lighted tiny image or patterns on image-carrier to passing though refraction properties project-len(s) to get the bigger size or colorful or steady or moving bigger size image or-and patterns for wider viewing angle to viewer on building, house, fence, wall outdoor or ceiling, walls, floor for indoors application. The said moving image effect created by make the said any combination of 3 basic of project-assembly fit into or built-into or install to all kind of different LED light housing for outdoor application said LED light image or lighted patterns has moving, shaking, spin, rotating, vibration to get the desired moving or-and changing effect(s).

The AC power source LED light device has moving image has the moving projected image or-and lighted patterns by (1) circuitry control LEDs on-off time for desired time or period, or (2) magnetic field force to making moving, or (3) motor or movement to make move or changing of (A) the image-carrier which has preferred film/piece has opening/printed piece/textures lens/treated lens/prism-lens/variable thickness lens/marked lens/sild/film/window/craving treated lens/laser craving/or marked piece of different material/or printed piece with arts, or (B) at least one of plurality of project refractive-lens in disc or holder, or (C) LED(s); to move or change position, or location. All big images or lighted patterns or lighted arts created from LED(s) emit light beam through image-carrier as 1.sup.st optics-lens then through the 2.sup.nd optics-lens as (i) project-cover or (ii) refractive-lens; those at least has refractive or-and protective function to make the tiny lighted image or patterns created by image-carrier or texture-lens to passing though refraction properties project-cover or refractive-lens or protective-lens to get the bigger size or colorful or steady or moving bigger size image or-and patterns with predetermined view angle and size to shown on (a) building, house, fence, wall for outdoor, or (b) ceiling, walls, floor for indoors application. The said moving image effect created by having at least one of the said 3 basic-parts project-assembly fit into or built-into or install to all kind of different light's housing construction of LED projection light for outdoor or-and indoor application(s) said LED light image or lighted patterns has moving, shaking, spin, rotating, vibration to get the desired moving or-and changing effect(s) and other unique features.

A microwave-sensor application for a light or electric device has a built-in microwave-sensor which can penetrate a wall, glass, building, garage door, or cement to detect over a 360 degree angle and predetermined vertical range. The microwave sensor can be used to activate a microwave-sensor application device or light device having an LED and/or laser for illumination or to provide an anti-theft alarm or warning.