免费 开始计算

灯泡对比工具

并排对比不同类型的灯泡,做出最佳选择。

Usage Settings

5 hours
Efficiency89 lm/W
Lifespan8.2 years
Annual Cost$2.46
10-Year Cost$28.29
Efficiency89 lm/W
Lifespan13.7 years
Annual Cost$2.46
10-Year Cost$29.02
★ Best Value|10-Year Cost includes electricity + bulb replacements