Packaging & Delivery
Inner box: 25pcs; Unit/ctn: 20 boxes/ctn; G/N W:22.8/24.5kgs; Carton size: 60*37.5*40cm.
85*55magnifying lamp (RF-03004)
3.Color: Silver gray .
unit packing : Leather bag and color box
( Can be designed according to customer requirements of packaging )
85*55 magnifying lamp
leather bag and color box
lens PMMA Frame ABS
Inner box size
Estimated Delivery Time
2-8 business days
3-8 business days
2-10 business days
1-7 business days
6-14 business days
7-12 business days
China Post Air Mail
7-15 business days
China Post SAL
14-30 business days
30-40 business days
1. 3-5 business days for Sample Orders; 7-15 business days for Bulk Orders for Bulk Orders.
2. "Business days" means Monday-Friday, excluding holidays.
3. DHL and UPS cannot ship to military or P.O. boxes address
4. The Shipping Service above is for reference only, for any other questions, please feel free to contact us.
- Q:The led lamp low-grade why current sound
- LED lamp, can use dc power supply, high frequency switching power supply, constant current drive power supply, can also use the 50 hz inductive step-down transformer rectifier power supply.
- Q:sk next incandescent lamp, led lamps and halogen lamps have what distinction, which better
- So only the halogen lamp, but is low voltage halogen lamp, need a rectifier, and halogen lamp itself temperature is high, pay attention to the heat dissipation, color rendering index selected 90-100, color WenXuan 2700 k, the best for you.
- Q:The LED lamp electrostatic test pass the corrective actions
- See which part of the circuit is broken? Such as the LED part or dimmer IC. So taking measures to more targeted.
- Q:Energy-saving light bulbs or LED bulb can't use on the dimmer lamp holder?
- If will move light to the middle position, weakened due to power supply, energy-saving lamps and the LED light can't work normally. To energy-saving light, it will flash, affect the service life of energy-saving lamps. About LED lights, can cause brightness is low and unstable, but will not affect the service life of LED lights
- Q:Three lights in parallel, and should be how the resistance of the step-down series?
- What is your 6 v battery batteries? Small battery (battery)? 10 v charger to see what the battery charger, if the battery can work with, if nimh electricity or lithium electricity will reduce the voltage. How much is the pressure light bulb? It is best to parallel, serial word broke a are not lit up. Add how much resistance depends on what you use the lamp, or led. The dimming added potentiator current limiting. How to do is very simple, still with the figure? Charger and battery, lamps (and) series of potentiometer. If it is nickel metal hydride batteries can't do, for a long time will seriously affect the battery life in charging status. The more complex.
- Q:Led the desk lamp that shield an eye how to choose?
- Eye protection is our life lessons, eye to start at a young age. Students in rapid growth stage, the body should protect the pair of the window to the soul. Eye can reflect on a lot of details, the lamp that shield an eye can greatly alleviate eye fatigue, protect your eyes from harm. The lamp that shield an eye is not adjust light brightness, who can adjust the brightness of the lamp that shield an eye eye function. Is the price is more expensive than ordinary ordinary incandescent bulbs. The lamp that shield an eye lamp luminous color temperature value determines the degree of light is downy, high and low are not good, is suitable for 4000 k to 5200 k. The lamp that shield an eye of 4000 k to 4500 k, the light is slightly red, more soft, suitable for primary school students; And 4500 k to 5200 k color temperature value is suitable for middle school students and its older customers to use. There is good, had better choose light yellow lights for under the yellow light will feel soft and comfortable to read and write, by reading in white, for a long time will feel sore eyes. The choice of the desk lamp that shield an eye still depends on the brand, good brand of the lamp that shield an eye quality guaranteed, the quality is qualified through inspection
- Q:How about the LED the lamp that shield an eye, ok
- Of course there are good there, than fluorescent lamp is the biggest advantage of no stroboscopic. Buy should pay attention to look at the LED parameters: the first is the color rendering index Ra is more than 85, reduction of color ability. A second look at the desktop illumination, 500-800 Lux, don't be too bright, easy to produce visual fatigue. Third simulation under the child's reading position look have uncomfortable glare. About 4 color WenXuan 4000 k. I hope it can help you!
- Q:Why is the largest lamp radiation?
- Traditional desk lamp because have ballast, and people generally, it's close by all said have radiation is larger. LED it has a blue light, the key is not to direct eye to light, had better choose the desk lamp of a chimney. Such as this.
- Q:Light flashing, if is to use the adapter, it is possible that the adapter, try out in later.
- Common lamps and lanterns can hold the LED light bulbs, as long as the lamp holder matching. LED lights: the abbreviation of English words, the main meaning: = LED Light Emitting Diode, the light-emitting diodes (leds), is a kind of ability to electric energy into visible Light solid state semiconductor devices, it can be directly put DianZhuan into Light. Traditional incandescent lamp (tungsten lamp), high energy consumption, short service life, under the circumstances of global resources nervous, has gradually be governments it is prohibited to produce, then substitute products is electronic energy-saving lamps, electronic energy-saving lamp is more energy saving effect, but due to use a lot of environmental pollution by heavy metals, and contrary to the trend of environmental protection. With the high-speed development of LED technology LED lighting is becoming a new type of green illumination of choice. In LED luminous principle, energy-saving, environmental protection level are much better than traditional lighting products.
- Q:The led rechargeable lamps useless can also be used for a long time
- Is equivalent to ordinary emergency light put a period of time. You can use it's not a problem, if unplug Light is put out that the battery is out of date in a minute. Can replace the battery, or when there is no charging function normal use.
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