Choosing a good LED lamp requires comprehensive consideration of multiple factors such as brightness, light quality, energy efficiency, and durability. The following are key points for purchase:
1. Brightness (luminous flux)
Look at lumens (lm), not wattage (W): LED lamps are more energy-efficient, and the wattage is much lower than incandescent/halogen lamps at the same brightness.
Reference alternatives:
40W incandescent lamp ≈ 400-500 lumens
60W incandescent lamp ≈ 800 lumens
100W incandescent lamp ≈ 1500 lumens
Choose brightness according to purpose:
Reading/work: 500-1000 lumens are recommended (such as table lamps).
Living room main light: 2000-3000 lumens (multi-lamp combination or high-wattage ceiling lamp).
Bedroom/atmosphere lighting: 300-800 lumens (soft light is more comfortable).
2. Light quality (color temperature and color rendering)
Color Temperature (Unit: K):
Warm light (2700K-3000K): similar to incandescent lamps, suitable for bedrooms and restaurants.
Neutral light (4000K-4500K): natural white light, suitable for living rooms and study rooms.
Cold light (5000K-6500K): bluish white light, suitable for kitchens and offices.
Color rendering index (CRI):
CRI ≥ 80: sufficient for daily use.
CRI ≥ 95: suitable for scenes with high CRI 95 requirements such as painting, photography, and jewelry stores.
3. Energy efficiency and certification
Energy efficiency label: choose level 1 or level 2 energy efficiency (more power-saving).
Certification mark:
Domestic: look for CCC certification (compulsory safety certification).
International: such as Energy Star (US), CE (EU), SAA, UL,ETL,DLC etc.
4. Heat dissipation and lifespan
Heat dissipation design:
High-quality LED lamps usually have metal heat sinks or hollow structures to avoid full plastic wrapping.
Touch test: The lamp body does not get hot after long-term use (overheating will shorten the lifespan).
Nominal lifespan:
Ordinary LED lamps: about 20,000-30,000 hours.
High-quality LED lamps: can reach more than 50,000 hours (pay attention to whether it is marked with "L70 lifespan", that is, the time when the brightness decays to 70%).
5. Flicker and blue light
No flicker:
Aim the mobile phone camera at the light. If there is no flickering ripple on the screen, it means that the flicker is well controlled.
Choose constant current drive or products marked "no flicker".
Low blue light:
Look for RG0 level (no blue light hazard), especially for children's rooms or table lamps.
6. Special needs
Dimming function: If you need to match with a dimmer switch, choose LED lights marked "dimmable" and compatible with common dimmers (such as TRIAC).
Smart control: Smart bulbs that support Wi-Fi/Bluetooth (such as Yeelight, Mijia, Hue), with adjustable color temperature/brightness.
Protection level:
Bathroom/outdoor lights should be IP44 and above (splashproof).
For kitchens, choose anti-oil design.
Quick purchase tips
✅ Brightness depends on lumens, color temperature depends on the scene
✅ High color rendering CRI, avoid flicker
✅ Good heat dissipation metal, lifespan of 50,000+
✅ Brand is guaranteed, certification is essential
It is recommended to compare product parameters when purchasing, and purchase from official channels first to avoid buying counterfeit and shoddy products, you can get more information on http://www.benweilight.com
