Conclusion: Lvlian Gallium nitride socket 65W smart charger Magic box is a fully functional and beautifully designed charging device, cost-effective, worthy of recommendation. In terms of packaging, the Green Link 65W smart magic box adopts plastic packaging, the box is mainly black and white, and the front is printed with the UGREEN Green brand logo and product model, such as 65W DigiNest Cube (2C2A), and you can see the socket, manual and warranty card when you open it.
In general, the Green Link 30W smart charging magic box Life with its excellent performance and user-friendly design has become my priority when choosing a socket. If you are also after practical and beautiful, this product is worth trying. Now priced at 149 yuan on JD.com, it is a wise choice to enhance the home charging experience.
In terms of portability, the Green Link 100W gallium nitride intelligent magic box also performs well. Thanks to the use of gallium nitride technology, it is much smaller and lighter than traditional chargers. Whether for business or travel, it can be easily carried in a backpack or handbag. In short, greend eye protection lamp has the function of delayed extinguishing, the purpose is to facilitate the safe departure after the light is turned off, which is a good design. In addition, the eye protection function of the led eye protection lamp is also its characteristic, because the illumination and uniformity are suitable, generally the national AA level, it will be brighter and not dazzling, and the blue light and strobe harm can also be controlled to the degree acceptable to the human body.
The lamp is not broken, this phenomenon LED lights often appear, some of the switch is wrong connected to the neutral line and some of the cross-current power supply residual voltage back out for a while, if not extinguished for a long time may be caused by the tolerance of the wire, the ability to be connected in the cross-current power outputDischarge a larger resistance.
One: The reason for the weak light when the led light is turned off. 1: The switch has reached the zero line. In fact, electricians almost will not make this mistake, but in fact, this problem often occurs, and the zero fire line of the whole house is all upside down, this situation is generally caused by the outside zero fire line change, as long as the main switch at home under the bus change can solve the problem. 2: The neutral line is charged.
1, lighting a andThe difference between lighting aa is mainly different illuminance, usually aa illuminance is about twice that of a. According to the relevant policies and regulations, within the sector range of one-third of the radius from the center of the lamp 300mm, the class illumination of lighting a is above 250lx; The illumination level of aa is above 500lx.
2, AA level refers to the lamp from the center of the radius of 50 cm, its illuminance requirements are above 500LX, within 30 cm of the illuminance should be above 500lx. Therefore, if there is no excessive eye care demand for the eye protection lamp, choose class A, if the illumination requirement is higherFor example, for children to write homework, it is recommended to choose AA level.
3, the country has A clear standard for eye protection lamp lighting, the standard is the national A level, the highest is the national AA level. The main difference between country A and country AA is the difference in illuminance, and country AA illuminance is about 2 times that of country A standard. According to relevant policies and regulations, within the sector range of one-third of the radius from the center of the circle 300mm, the national A-level illuminance is more than 250lx; National AA illuminance above 500lx.
The fourth depends on after-sales service, and must have a maintenance address and telephone.
Recommended grade: Four star eye daddy eye lamp is a kind of eye lamp designed for young students, which is developed for various pain points of long-term learning.
1, eye protection lamp: At present, there is a non-stroboscopic vision health lamp on the market, the ordinary AC electrical signal through the electronProcessing into a high-frequency signal or DC signal, so that the lamp in the working process of people's eyes can not feel the stroboscopic phenomenon, to protect people's vision, so this kind of lamp is also known as eye protection lamp, is a modern more popular class of lamp products.
2. Table lamps are classified according to the function of use: reading table lamps, decorative table lamps. Reading desk lamp: the light body shape is simple and light, refers to the desk lamp specially used to read and write, this desk lamp can generally adjust the height of the lamp pole, the direction and brightness of the light, mainly lighting reading function; Decorative desk lamp: luxurious appearance, diverse materials and styles, complex structure of the lamp body, withThe decorative function is as important as the lighting function in decorating the space effect.
3, charging desk lamp: This desk lamp integrates charging function, can charge mobile phones, tablets and other devices. Nightlight: This table lamp usually uses soft light, suitable for bedtime reading or sleep as a light source. In addition, there are many special functions of the lamp, such as music lamp, incense lamp and so on. Among them, the eye protection lamp has a protective effect on the eyes, which is very helpful for people who like to stay up late.
4, writing lamp light source generally has four categories: incandescent lamp, halogen tungsten lamp, fluorescent lamp and LED. Three types of light sourcesThere are pros and cons, different people may like the light color and brightness of different light sources, should be appropriate for people. In order to be able to project most of the light onto the desktop, the light source of the writing lamp is usually installed horizontally or downward. When purchasing a writing desk lamp, in addition to checking its optical performance, it should also check whether other performance is qualified.
5, eye protection learning lamp type DC fluorescent lamp: DC fluorescent lamp uses DC ballast to convert alternating current into stable DC voltage and current. Fluorescent lamp can achieve no stroboscopic, soft light, continuous uniform, can alleviate visual fatigue, and solve the problem of inductive ballast fluorescent lamp stroboscopicQuestion. 6, bedside lamp according to the style can be divided into simple style, modern style, antique style, Chinese style, etc., different styles, different decorative effects. According to the material, the bedside lamp can be divided into hardware material, glass material, crystal material, solid wood material, etc., the material is not used, their quality is different, and the price is different. There are many kinds of table lamps, light bulbs are divided into: energy-saving lamps, incandescent lamps, LED bulbs.