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What compulsory certification does it require to import LED flashlights in Europe?
- RoHS is an directive of the European Union. If the products are exported to the EU or Japan, they should comply with ROHS, otherwise they will be fined and criminal penalties will be imposed. So, if you want to export, be prepared. To avoid unnecessary losses. Many manufacturers have abandoned the EU market because they are not in line with rohs.s
What are the models of ultra high brightness LED on flashlights?
- Lumens LED now more fire is the new SST50 and SST90, known as the 1500 and 2200 lumens, need a current of 5A and 9A, 3 and 6 lithium battery driven is good, the price is very expensive, one hundred yuan and more than 300 yuan respectively. Not much is used now.s
Hello, what's the working current and the working voltage of a flashlight? If three LED and 4.2V-7500MAH batteries, how long will it last?
- This time is prerequisite:1, your battery capacity is not virtual standard, and indeed there is such a big 7500mAH, this capacity of our own very difficult to measure Oh;2, your power conversion efficiency can reach 90%;s
Use LED lights and cell phone batteries to make flashlights?
- It depends on what LED is, if strawhat micro light LED, it depends on a few LED lights, and then the calculation, if the power of LED 3-5W, it can also direct drive in general, but for security reasons, can add a constant current voltage stabilizing circuit.s
Simple LED flashlight schematics, principles and components?
- The basic principle of flashlight flashlight: by the luminous body, battery, circuit, shell, reflective ring, a circuit chamber, switches and other components, the basic principle of the current from the battery, and then reaches the circuit and through the circuit to adjust the voltage and current, and then output to the luminous body, for lighting.s
C8 Q5 CREE five LED surefire flashlight light going on
- Some inexpensive flashlights may use a very common drive circuit board, and I estimate that the drive current is not enough. There is a low level light fake Q5.s
How many lumens does high light flashlight need?
- City emergency, about 100 absolute enoughIf you want to have high brightness on your bike, 200 can stun someone else200 in the fieldField search 300Open space to long-range effect, then 600The pursuit of helicopter spotlight effect is HID, 1000-3000s
Does the non LED flashlight have a constant current drive circuit?
- You see, if you're not using a LED light bulb, it's directly connected to the power supply!s
Have you ever used landscape led lighting
- Garden & Landscape Lighting for all your garden Lighting and outdoor electrical needs. Open to both private and trade enquires and sales.Every one of our range of lights has be...
Do you want to have best outdoor lighting
- Beautiful lighting should never be limited to the interior of your living space. This spring, dress up your home's patios, porch areas, deck, and walkways with lovely pieces th...
Why is outdoor step lighting important
- Bulbrite's individual LED step lights are expandable up to 50 step lights, includes dusk to dawn sensor, 10 step lights, transformer and junction box.Included in the box: 1- LE...
How do traffic light sensors work
- Sensor is a kind of testing device, can feel the measured information, and will feel information, according to certain rules transform into electrical signal or other required info...
What's emergency light bar
- External inductor lamps are basically fully sealed fluorescent lamps (no electrode entries) with electromagnets. The induction coil (inductor) produces a very strong magnetic field...