Metal Diagnostic Penlight With Printing Calibration

Ref Price:
$0.71 - 1.96 / pc
Loading Port:
Shenzhen
Payment Terms:
L/C,T/T
Min Order Qty:
1000 Pcs pc
Supply Capability:
100000 Pcs Per Month pc/month

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Product Description:

 

KC0098-3  Metal diagnostic lamp with Color box packaging 2013 Hot

 

Feature:

1. Tbody color and LOGO according to customer requirment

2. The medical penlight is reusable, suitable for promotion gift
3. Bulb of the power is 0.5W,3V
4. Applicable to medical eye,dental...

5. Including 2 pcs AAA batteries

6. CE RoSH approved

7. 2.5V Yellow light bulb,power 0.5W, 4000K

8. Aluminum anodizing surface

 

 

Usage:

Diagnose for doctor,lighting,read book etc

 

sample prepared:1-5days

 

deliver time:25-30days

 

packing:white box,double blister

 

competive price and high quality for you.

 

Payment term:

100% TT in advance. Order quantity more than 10000pcs, 30% T/T deposit, balance against B/L copy, L/C

 

Caution:

1. The power and socket must be safe and standard for service the life of battery.
2. Please do not use when charging, in case burn LED bulbs and damage inner components.
3. Pleased do not shot the eyes directly (Children must be instructed by adults).
4. Keep away form rain and wet.
5. Keep far away from the exploders when charging ,the charging time could not be more than 24 hours.(Suggestion charging in daylight time)

 

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Q:Simple LED flashlight schematics, principles and components?
If the capacitor has only the charging process, the load will not be sustained current, and the role of D1 is to "C1". The discharge diagram looks a little simple, and it doesn't feel very safe. Full wave rectifier does not require four diodes?
Q:When the LED flashlight is charged, the bulb turns dark, the light is dim, and the spot is a little yellow. It has been charged for 5 hours
Probably when charging voltage is very high, then open the lamp on the current will greatly exceed the rated value, the lamp aging in a short period of time, the ablation of fluorescent powder produced spot, using terminology that is a short time attenuation increase, belongs to the permanent damage can not be repaired, only the replacement, but according to this phenomenon look, there may be a battery performance has been poor, does not rule out the charge line element anomaly
Q:High power flashlight LED lamp is 1W, want to use mobile phone battery when 4.2V is connected to electric drums!
The voltage of the LED1 watt is 3 volts and the current is 0.35 amperes. One resistor should be connected in series. The resistance is calculated as R= (4.2-3) /0.35=3.5 ohm. No series diode.
Q:What's the reason for the LED flashlight on?
The battery voltage may not be normal, there is an extension bucket, the problem is on the switch, light cup, check the light cup there is no direct contact with LeD solder joints, or bare wire. One by one after investigation, should find problems
Q:What is the voltage and current of the 9 head LED flashlight?
When electrons and holes are combined, they can radiate visible light, so they can be used to make light-emitting diodes. In circuits and instruments, as an indicator, or in combination with text or digital display. GaAs diodes glow diode gap, green silicon carbide, yellow light diode, light emitting diode gan. Because of the chemical properties and organic light-emitting diode OLED and inorganic light-emitting diode LED.
Q:Cree flashlight lamp which is the best.
CREE was founded in 1987, is the United States listed companies (1993, NASDAQ: CREE), the leading global manufacturer of famous LED epitaxy, chip, packaging, LED lighting solutions, compound semiconductor materials, power devices and RF integration in the industry and.
Q:Just bought Led flashlight flashlight, 5 hours charging 9 hours of electricity, and now there is no electricity, but the charger shows full power, but it is not bright, what is the matter?
The anode material of lithium ion battery is cobalt oxide lithium, and the negative electrode is carbon. When charging the battery, lithium ion battery has generated cathode, lithium ion tea eng movement through the electrolyte to the cathode. As a negative electrode, the carbon presents a layered structure, and it has many micropores. The lithium ion that reaches the negative electrode is embedded into the micropores of the carbon layer, and the more lithium ions are embedded, the higher the charging capacity. Similarly, when the party discharges the battery (that is, we use the battery), the lithium ions embedded in the negative carbon layer emerge and move back to the positive electrode. The more lithium ion goes back to the positive electrode, the higher the discharge capacity. What we usually refer to as battery capacity is the discharge capacity.
Q:What are the models of ultra high brightness LED on flashlights?
Multi core - currently the main MCE, Quad, 10W, known as the highest brightness 900-1000 lumens, but the drive current is large, but the heat also much larger than the single core LED, light is not good, the floodlight is larger, the power consumption is also great. The general need to drive 2-3 lithium battery in order to reach the ideal effect.
Q:Why hold a few moving magnets, manual power LED flashlight bulb will shine?
A magnetic magnet is used to move downward, the magnet field line cuts the coil on the periphery of the magnet, and the coil generates electricity to recharge the rechargeable batteries at both ends of the coil, so that the LED bulb emits light.
Q:The Q5 flashlight long-range rechargeable LED flashlight 14500 battery No. 5
If you want to be portable, you can buy a 16340 - cell flashlight, which is smaller than a AA flashlight, but is brighter than AA!

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