64*148mm 40W ST64 220V E27 Edison Bulb
Code:# HL388853
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- Category: Edison Bulbs
- Voltage: 220-240V
- Wattage: 40W
- Height: 148mm
- Width: 64mm
- Bulb Base: E27
- Material: Glass,Metal
- Light Color: Warm White(2700-3500K)
- Finish: Clear,Others
- Shipping Weight: 0.1KG
CFLs - An electric current flows between electrodes at each end of a tube containing gases. The reaction produces ultraviolet (UV) light and heat. The UV light is transformed into visible light when it strikes a phosphor coating on the inside of the bulb.
Available for outdoor use; just make sure the packaging indicates the bulb is rated for outdoor use.
May not hold up to the stress of power surges. So using them in areas such as workshops is not advisable.
If the outlet is wired for a dimmer or three-way bulb, make sure you purchase a CFL rated for the specific use.
LEDs - Use an electrical current passed through semiconductor material to illuminate the tiny light sources called LEDs.
The heat produced is absorbed into a heat sink, keeping the bulbs cool to the touch.
Available for outdoor use; just make sure the packaging indicates the bulb is rated for outdoor use.
Do not contribute to heat build up which helps save on air conditioning.
| CFL | LED |
|---|---|
| save up to 70% in energy costs a year | save up to 80% in energy costs a year |
| lifetime is up to 9 years | lifetime is up to 15+ years |
| Contain a small amount of mercury | Not has mercury |
| Available in medium bases to fit standard light sockets | Available in medium bases to fit standard light sockets |
| Features | Incandescent | CFL | Halogen | LED |
|---|---|---|---|---|
 |
 |
 |
 |
 |
| Rated Avg, Life | 755-1000 | 10,000 | 3,000 | 45,000 |
| Life Span | Low | Long | Medium | Very Long |
| Watts | 3-500 | 3-120 | 5-500 | 25-16 |
| Cost to Operate | High | Low | Medium | Low |
| Price to Product | Low | Medium | Medium | High |
| Lumens per Watt(LPW) | 15LPW | 60LPW | 25LPW | 75LPW |
| Color Temperature | 2700K | 2700K-6500K | 3000K | 2700K-6500K |
| Incandescent | CFL | Halogen | LED |
|---|---|---|---|
| 100 Watt | 23 Watt | 75 Watt | 20 Watt |
| 75 Watt | 20 Watt | 53 Watt | 14 Watt |
| 60 Watt | 15 Watt | 43 Watt | 12 Watt |
| 40 Watt | 10 Watt | 28 Watt | 8 Watt |
TIPS:
1. Please confirm the voltage first. If the voltage of a product is 12V-24V, then you must use a professional LED voltage converter.
2. Please check the specifications of the product carefully before ordering to insure a proper fit.
3. Do not disassemble any bulbs by yourself.
4. Be sure to cut the power off before beginning installation to avoid personal injury.
5. Never exceed the maximum wattage recommended for your lamp.
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Package
We provide exquisite package for every item, which contains a lining bag and sturdy cardboard box with Beautifulhalo tag attached. It's the perfect gift for your friends and loved ones.
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