LED flashlight for promotion gift (MINI, colorful, keychain, round USD 0.50)
- Ref Price:
-
$0.42 - 0.83
/ pc
- Loading Port:
- Ningbo
- Payment Terms:
- L/C,T/T
- Min Order Qty:
- 100 Pcs pc
- Supply Capability:
- 100000 Pcs Per Month pc/month
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General Introduction
LED flashlight for promotion gift (MINI, colorful, keychain, round USD 0.50)
Feature
1.LED light, colorful design
2. MINI size with keychain, best for gift and promotion
Before Orders:
•If possible, please tell us what's the purpose for using it, so that we can recommend you the best package. Of course with best price to you!
•Any other request, please feel free to let us know.
•SAMPLES are avaiable before order.
•OEM & ODM service is also avaiable
Our R&D department have more than 20 professional and technical personnel.We had help customers produce many OEM products for American Market,Germany Market and UK Market.
QC(Quality Control)
QC Team:More than 20 professional and technical personnel.
Material: Strictly control of material using, meet international requested standards.
Semi-finished Products Inspection: Product inspection before 100% finished. Such as Visual Inspection, Leak Testing, Comprehensive Safty Test and so on.
Production Line Test: With work team or data engineer who will inspect machines and lines at fixed period.
Finished Product Inspection: Quality and property test before products are packed and loaded
FAQ
1-May I have your samples for existing items?
According to our sample policy, samples are free of charge for our common existing ones within a certain amount but customers need to bear the express charge. If customers have an international express
collect account no. for FedEx, UPS, DHL and so on, this will be more convenient for us.For long-term business, we could bear the express charge.If customers are satisfied with the finished samples and will
settle the first order, we will start to refund the sampling charge. For actual refundable procedure, this will be finalized according to actual sampling charge, the first order amount and actual communications.
2-Could you do sampling according to my actual sample, special demand, design or own idea?
Our R & D dept. has experienced engineers in structure and electrocircuit. And we have good cooperative factories in molds for plastic and metal. Based on these, we are able to achieve your demanded samples.
3-How do you control the quality?
We have strict quality control system including incoming material inspection, production line management, final full inspection and random inspection on loading. Based on these, we are able to deliver final high quality products for you.
4-What's the period of validity for complaint?
Normally, we accept the complaint within one month after receipt of the goods. For some special circumstances, please kindly contact with our sales for your actual order.
Packaging & Delivery
Package:
1 x Box
Delivery:
Shipping Service | Estimated Delivery Time |
DHL | 2-8 business days |
FedEx | 3-8 business days |
TNT | 2-10 business days |
UPS | 1-7 business days |
EMS | 6-14 business days |
ePacket | 7-12 business days |
China Post Air Mail | 7-15 business days |
China Post SAL | 14-30 business days |
By sea | 30-40 business days |
1. 3-10 business days for Sample Orders; 7-40 business days 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: What are the parts of a LED flashlight?
- 1. LED led for lighting
- Q: What about the flashlight bulb? Which kind of brightness will be higher?
- LEDs can use less power, but emit a stronger light source, so it saves power more than traditional bulbs. This type of flashlight has a longer battery life and can last up to hundreds of hours.
- Q: Paili de LED flashlight in "180 lumens," what do you mean?
- Lumen, a measure of light intensity, refers to a measure of light energy per unit area. Said: paili de LED flashlight can reach 180 lumens, its meaning is in the distance, the flashlight can achieve light intensity. The significance of this indicator is not very large, because if the spotlight is better, the light intensity of the spotlight should be high, otherwise the spotlight will be larger and the light intensity will be lower. It does not represent a true luminance indicator.
- Q: How does this LED flashlight remove the LED chip?
- When you remove it, you can see the circuit board, the edge of the circuit board will have a semicircle gap, like to take the nickel sub pry
- Q: Now most LED flashlights are using resistance to drop voltage charging, waste a lot of energy, why manufacturers like to use?
- Mainly low cost, simple, can only be suitable for small lead-acid batteries. Disadvantages, power consumption, low efficiency of poor, can only be combined.
- Q: What kind of batteries do LED flashlights usually use?
- Flashlight flashlight is generally used in lithium batteries and dry batteries, and now we use the lithium battery flashlight more, because lithium batteries can charge, more convenient point, will not pollute the environment, more environmentally friendly.
- Q: What's wrong with the LED rechargeable flashlight that has been lit all night long?
- Maintenance free batteries are dry. Maintenance free lead-acid battery is a residue.
- Q: Cree flashlight lamp which is the best.
- The terminal voltage of PN junction constitutes a certain barrier. When the forward bias voltage is applied, the potential barrier decreases, and the majority carrier in the P region and the N region diffuse to each other. Since the electron mobility is much larger than the hole mobility, a large amount of electrons will diffuse into the P region, which will result in the injection of minority carriers into the P region. These electrons are combined with holes in the valence band, and the energy is released in the form of light energy when combined. This is the principle of PN junction luminescence.
- Q: 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.
- Q: Is it necessary to bring a LED flashlight for outdoor activities?
- Outdoor activities should use the body shape, weight, relatively portable LED flashlight, material should be sturdy and durable, the function should be based on practical.
Send your message to us
LED flashlight for promotion gift (MINI, colorful, keychain, round USD 0.50)
- Ref Price:
-
$0.42 - 0.83
/ pc
- Loading Port:
- Ningbo
- Payment Terms:
- L/C,T/T
- Min Order Qty:
- 100 Pcs pc
- Supply Capability:
- 100000 Pcs Per Month pc/month
OKorder Service Pledge
OKorder Financial Service
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