LED BULB LIFE-25W-CW/WW

BRAND: LIFE LED (AMERICAN BRAND)
WATT: 25
SOCKET BASE: E27
LIGHT COLOR: CW (COOL WHITE) 6000 KALVEN | WW (WARM WHITE) 3000 KALVEN
LUMEN: 100/WATT
SIZE: W 9.5cm x H 17cm
2 YEARS FULL WARRANTY

What differentiate LIFELED brand from other brands?