led vs cfl vs incandecent

00:34

5:50

11:27

5:25

00:06

5:44

2:04

10:05

1:21

5:17

14:28

00:31

9:53

4:13

1:12

3:37

5:09

21:34

15:00

4:54

5:34

4:12

4:09

1:49

5:15

11:08

9:45

19:19

2:59

2:25

31:57

7:31

4:18

2:13

8:06

4:52

1:26

00:25

1:50

2:40

2:23

8:18

3:30

1:46

5:37

1:37

12:13

2:24

1:09

12:54

00:32

20:22

19:41

7:54

3:30

5:19

6:23

5:14

9:01

5:23