The different between the WS2812B and WS2812B-ECO.

1, LED Chip Material:
9pcs Pure Gold Line, Copper Bracket (WS2812B).
9pcs Admixture Gold Line, Brass Bracket (WS2812B-ECO).

2, LED IV Value Brightness:
Red: 400-700mcd, Green: 1000-1500mcd, Blue: 200-400mcd (WS2812B).
Red: 500-700mcd, Green: 1300-1800mcd, Blue: 300-500mcd (WS2812B-ECO).

3, Warranty Period of Led Strip:
36 Months (WS2812B), 18 Months (WS2812B-ECO).

4, Suggestions on Product Application:
Such as Park, Square, Hotel, Airport, Office Building, Shopping Mall, Coffee Bar, KTV, Supermarket, etc (WS2812B).

Usually applied to Parlour, Bedroom, TV light, Karaoke Television light, Computer light, DIY and Home decoration, etc (WS2812B-ECO).

Note:
The price is only Led Strip, Not Included Power Supply or Led Controller!
WS2812B Must Use DC5V Power Supply AND Led Controller to Control!
Every 0.5meter with solder joints, please note!

Pay attention:
White PCB / Black PCB
18leds/m, 30leds/m, 60leds/m, 74leds/m, 96leds/m, 100leds/m, 144leds/m

IP30: Non- waterproof
IP65: Waterproof in Silicon Coating
IP67: Waterproof in SiliconTube

Features:
Input voltage:DC5v;
Power:18leds/m----5.4watt/meter
30leds/m----9watt/meter
60leds/m----18watt/meter
74leds/m----22watt/meter
96leds/m----28.8watt/meter
100leds/m----30watt/meter
144leds/m----43.2watt/meter
LED resource: WS2812B led (5050 SMD RGB LED with built-in improved version of ws2811 ic)
LED:each LED is separately controlled
IC Type: improved version ws2812 IC(built inside the 5050 smd rgb led)
Of IC: (1 IC drives 1 led chip)
Pixels: 18/30/60/74/96/100/144/meter
Grey scale: 256
Bits/color:8-bits/color
FPCB Width: 18leds/m----10mm
30leds/m----10mm
60leds/m----10mm
74leds/m----12mm
96leds/m----12mm
100leds/m----10mm
144leds/m----12mm
Protection rate: IP30 Non-Waterproof
IP65 Waterproof in Silicon Coating
IP67 Waterproof in Silicone Tube
Colors:Full color RGB, dream color changing;
Cuttable:every LED is cuttable;
Package:in anti-static bag,IP30 IP65 with adhensive tape on the back(IP67 without adhensive)each strip with one free male connector for connector