Is LED dimmable?
What is luminous flux?
Can I replace my lights with LEDs?
Cool white, warm white or daylight?
Can temperature affect LEDs?
What is the delivery time?
Can I reuse my existing 12V or 24V AC transformers to power my new LED?
Isnt voltage drop more of a problem with DC circuits?
My LED's aren't as bright as they used to be?
What is RGB LED?
Are 50000hr lifespan claims true?
Q: Is LED dimmable?
A: Yes. All LED is dimmable but the inbuilt driver circuits must also be dimmable. We sell both dimmable & non-dimmable lamp models which are listed as such. We also list compatible dimmer types. Occasionally a listed compatible dimmer will flicker at a certain point on the dial. There's a complex but logical reason for this & we'll spare you the lengthy explaination. We suggest if you experience this problem to switch to another compatible dimmer type or just avoid that point on the dimming dial. Back to top
Q: What is luminous flux?
A: This can be thought of as a measure of the total amount of visible light emitted & the unit of measurement is the lumen. For reference a 100 Watt incandescent bulb emits about 1200 lumens. Back to top
Q: Can I replace my lights with LEDs?
A: Yes & it's easy. Try to match 1) lampholder, 2) working voltage, 3) light colour & 4) beam angle. LED lamps come in a variety of lamp bases such as standard Bayonet cap(B22) and Edison screw(E27). Downlight lamps are available in E27, B22 as well as GU10, MR16 & MR11 bases. Please refer to our page on Lampholders Types. Our available voltages are 110V AC (USA), 220V-240V AC (the rest of the world), or 12V/24V DC. Colour selection is answered in the next question below. Match beam angle via lens selection. 60° is most common & this is what we recommend if you're unsure. If you have a dimmable lamp you may have to replace the dimmer with one that we have listed as compatible, this can be foung in the product description. Back to top
Q: Cool white, warm white or daylight?
A: Warm white is best suited for relaxing. Its light creates a comfortable atmosphere suited for living rooms, bedrooms, restaurants etc. The luminous output of warm white LED is always a bit less than its cool white equivalent. Cool white has more blueish tones & compliments modern looking rooms with hard surfaces & stainless or chrome finishes ie bathrooms & kitchens. It is also a much better light for working. Daylight however is the best light for office/workspaces. Its light appears white more like daylight on a cloudy day. For more information view our colour guide page. Back to top
Q: Can temperature affect LEDs?
A: Yes! LED fixtures must be designed with junction temperature thermal management as a key component. We will not honour warranty claims if LED is installed in operating environments exceeding 50°c ie direct sun (external floods exempt) or extreme roofspaces. Unlike fluorescent sources, cold temperatures do not impact the performance of LED's & infact improve it. We have seen some real shockers in years past in which manufacturers and resellers boast high light output and lifespan but when put into a ceiling degrade quicker than you can imagine. All our LED is engineered & tested to the highest standards which you can view at our LEDshopper on Facebook page. Back to top
Q: What is the delivery time?
A: Delivery time is 7-10 working days. This is because all our LED is made to order, it is then aged/tested for 2 days & then shipped from our factory in Shenzhen China to every corner of the globe. The reason for made to order is that it's the most practical supply method as all of our LED are highly configurable. There can be upwards of 100 variations on any 1 product & its just not practical to keep that much stock. This also helps us keep the prices lower for you. Please be patient, it's worth it! Back to top
Q: Can I reuse my existing 12V or 24V AC transformers to power my new LED?
A: If it is wire wound it will work & even dimm with certain 240V dimmers but it is not advised & will void warranty claims. It is recommended that you replace AC supplies with a regulated DC power supply. This will ensure against overvoltage which can burn out your LED instantly even if it's only a few volts over. Wire wound transformers are also highly inneficient with losses at about 10% of output. For 240V LED the driver circuits can handle small voltage surges(±10%)but If large surges are a concern please install a surge diverter on the lighting circuit. Back to top
Q: Isnt voltage drop more of a problem with DC circuits?
A: Yes, but because LED's are so much more efficient with much higher luminous outputs the power consumed is far less. This means required cable sizes are smaller also. 1.5mm cable is sufficient to power a 12V 200W load over 20mtrs. We suggest that 24V DC is the preferred working voltage as it is less susceptable to voltage drop than 12V DC. Please use 24V DC or a larger cable size if voltage drop is a concern. Remember twice the voltage means half the current. Back to top
Q: My LED's aren't as bright as they used to be?
A: LED's will lose their luminous intensity as they reach the end of their life. This occurs over a long period of time, about the last 5000hrs of a +50000hr life. This can be a positive as it will give you time to prepare for a relamp. We suggest at this stage you relamp all your LED at once as this is the most cost efficient method. Back to top
Q: What is RGB LED?
A: RGB is short for Red/Green/Blue & any colour in the visible spectrum can be achieved by mixing these 3 colours. If all 3 colours are mixed evenly we get white light. RGB LED is mostly used for decorative rather than practical lighting. RGB also requires a controller to mix colour levels & vary time increments. Some RGB LED have the controller inbuilt but unfortunately these inbuilt controllers with their preprogrammed scenes can be very mundane. To do it properly you need an external controller with the ability to write your own scenes. Back to top
Q: Are 50000hr lifespan claims true?
A: Yes & longer even, but lifespan can vary significantly depending on many factors. Mostly its how hard the LED is driven & the installation environment. The lifespan figure is obtained from accelerated ageing techniques & is only a estimation as it would take many years to do it otherwise. Regardless you can expect LED to far outlive every other lighting type available. Back to top