What materials used. The cost tube LED light?

I am. For small research study. My and my math. To know more bulbs light LED values. Spending on materials. All sites. I found a cover. Retail or wholesale prices or. Electricity bill. Anyone know, or price. Sites that have or not.

LED's do not need to be replaced.

2x Xenon White LED Panel Dome Map Door Trunk Light Subaru Baja Forester SVX 3R    US $14.39

White 1157 White 19 LED Signal Reverse Light Bulbs 2357 7528 7225    US $9.95

FINE 04 08 SUBARU IMPREZA WRX STI MAP DOME LIGHT LED BULB 07    US $6.99

RGB 13W LED Recessed Ceiling Cabinet Light Fixture Lamp Remote    US $9.99

2x Xenon White LED Panel Map Dome Door Trunk Light Toyota 4Runner Avalon MR2 3R    US $14.39

PARTY 05 09 SCION TC WHITE LED DOME LIGHT BULBS 06 07 08 3175    US $6.00

Bright 8 LED Blue Car Auto Day Driving Twin Lights    US $.97

Betterware Robotic LED Book Light Reading BNIB    US $3.08

2x Xenon White LED Panel Map Dome Door Trunk Light Volkswagen VW CC Eos GTI 3R    US $14.39

2x Xenon White LED Panel Map Dome Door Trunk Light Volvo 240 740 760 780 850 3R    US $14.39

5 X LED Flashing Balloon Light Lamp for Birthday Party    US $1.00

White 1157 White 19 LED Signal Brake Light Bulbs 1016 1154 1493    US $9.95

8 Outdoor Garden Solar Stone Rock Spot Light 3 LED    US $164.99

40pc Color Led Bright Finger Ring Lights Beam Torch    US $.99

Sense Pirate Skull Flash light LED Colors Changing Case Cover for iPhone 4 4S 4G    US $.01

Warm White 10M 100 Wedding Party Family Fairy String Christmas LED light 8 Mode    US $.99

GAIN 28 SMD HIGH POWER LED 168 194 921 BACKUP PARKING LIGHT    US $20.00

FINE 02 06 ACURA RSX LED MAP DOME LIGHT BULB 03 04 05 DE3175    US $5.00

93 98 VOLKS GOLF GOLF III EURO LED BLACK HOUSING HEAD LIGHTS LEFTRIGHT PAIR NEW    US $220.00

5050 5M 300 LED Strip Warm White Light Non Waterproof Decoration 12V DC    US $29.69

Outdoor Bike Bicycle Light LED Headlight Taillight Sets    US $.64

GREEN 4 LED Lights 80mm Computer Case Fan w 5 LED MOD    US $12.93

5M Waterproof LED RGB 150Led 5050SMD Strip Light 44Key IR Remote Controller    US $22.52

20x Lot 5W 5X1W GU10 LED Lamp Warm White Light Bulb DIMMABLE Spotlight 85 265V    US $171.59

Free Shipping 2X flash LED light valve sealing caps blue    US $.11

SMOKE TINT LED TAIL LIGHTS BRAKE LAMPS 2003 2006 SILVERADO SIERRA 1500 2500 YD    US $129.00

White 1157 Super White 19 LED Signal Reverse Light Bulbs 2357 7528    US $9.95

102 LED 8W Energy Save White Spot Light Bulb Lamp 220V 110V E27    US $.99

18 21 Aquarium LED Light Lunar Double Bright Fish Tank Reef Capable NEW    US $79.99

Purple 4 LED Lights 80mm Computer Case Fan w 9 LED MOD    US $12.93

Zion Auto PIR 6 LED Motion Sensor On Off Light4 AAA Alkaline Battery Retail box    US $9.99

2 P13W 5050 SMD 18 LED White Fog Driving DRL Light Lamp Bulbs    US $6.79

99 04 00 JEEP GRAND CHEROKEE CHROME LED 3RD BRAKE LIGHT    US $53.95

Fashion Mens Steel LAVA Blue LED Light Wrist Watch    US $.99

ECOLITE RECHARGABLE 3WAY FLASHLIGHT AUTO ON POWER OUTAGE LED NIGHT LIGHT    US $24.99

CHEVY SILVERADO SIERRA 1500 2500 3500 LED BLACK HOUSING CLEAR LENS TAIL LIGHTS    US $126.99

4 x Outdoor Garden Solar Stone Rock Spot Light 3 LED    US $136.99

CREE XR E Q5 LED 300LM 5W HEAD LAMP LIGHT Zoomable BLK    US $7.19

White 1157 Super White 19 LED Backup Reverse Light Bulbs 2057    US $9.95

E14 Corn Warm White 5050 44 SMD LED High Power Spot Light Lamp Bulb 7W    US $1.99

4 X T10 W5W 168 194 Blue 6 LED Car Side Light Bulb Lamp    US $3.69

Light Panel 20 SMD LEDT10BA9SFestoon Bulb Adapter    US $3.59

Smoke LED Tail Light for Yamaha YZF 600 R6 01 02 2002 with Turn Signal Int    US $21.49

MINI LED Deep Drop Underwater Fishing Squid Lure Light blue flashing    US $.95

Smoke LED Tail Light for Suzuki GSX R 600 750 GSX600R 04 05 K4 with Turn Signal    US $23.49

LED Tail Light for Kawasaki Z1000 07 08 09 ZX6R 09 10 with Turn Signal Integrate    US $27.49

Clear LED Tail Light for Kawasaki Ninja ZX 10 10R 04 05 with Turn Signal Int    US $20.49

White Fairy Lights 60 LED Solar Wedding Xmas Party 32ft    US $15.49

Green Leather Skin CovereBook LED Reading LightHeadset For Kindle 3 Keyboard    US $11.44

Smoke LED Tail Light for Kawasaki ZX 14R ZZR1400 06 08 09 10 11 with Turn Signal    US $22.49

Bright 7 LED White Car Auto Day Driving Twin Lights    US $.97

Clear LED Tail Light for Honda CBR 600 RR 07 08 09 10 11 with Turn Signal Int    US $26.49

Pro 900 LED Four 14 Watt Hydroponic Plant Hydro Grow Light Panels14w Red    US $117.88

5050 T10 Car Auto Bulb Light with 5 LED Wedge HID White    US $2.59

Solar Patio Umbrella With 32 LED Lights 9 Tan Market Umbrella W Tilt Outdoor    US $112.50

2 x H1 Car White 102 SMD LED Driving Head Light Bulb Lamp Fog Beam    US $7.99

MR16 White 93LED Lamp Spot Light Bulb 12V 4W Spotlight    US $1.19

Temperature Controlled Faucet Light Red Blue LED Faucet no battery    US $.99

Smoke LED Tail Light for Ducati 748 916 996 998 with Turn Signal Integrated    US $27.49

Green Leather Case StandTravel ChargerProtectorLED Light For Kindle Fire    US $13.24

80mm PURPLE Light Computer Case Fan w 5 LED 4pin MOD    US $12.93

G4 White 18 SMD LED Cabinet Spotlight Spot Light Lamp Bulb 12V    US $1.00

PARTY CHEVROLET COLORADO 24 LED BRAKE STOP TAIL LIGHT BULBS    US $11.99

WHITE 1157 2057 19 LED FRONT TURN SIGNAL LIGHT BULBS c    US $14.99

WHITE 1157 2057 19 LED FRONT TURN SIGNAL LIGHT BULBS a    US $14.99

Cozy 3 Colors LED Light Shower Head Water Bathroom sprinkler    US $.99

5 Oval LED Pod Lights with 5 LEDs Small New    US $14.99

80mm PURPLE Light Computer Case Fan w 9 LED 4pin MOD    US $12.93

White 1157 Super White 19 LED Back Stop Light Bulbs 1152 1158    US $9.95

8 NEW DENTAL WIRELESS DENTIST CURING LIGHT LAMP LED D1    US $358.00

High Power Yellow LED T10 Wedge Light Bulb 194 168 555    US $11.99

Yellow 19 LED T25 BA15S 1156 Light Bulb 1073 1093 1129    US $9.99

Purple 4 LED Lights 80mm Computer Case Fan w 5 LED MOD    US $12.93

Blue Sea 7650 Marine Duo Circuit System W LED Light Automatic Charger    US $148.99

Led Travel Book Light For Nook Color Kindle 3G Keyboard Kindle 4th Gen DX WiFi    US $4.95