... use low-power, (0.066W/pc,) Super Bright LED from America, our LED could reach 110-120Lm/W,C, Low temperature rise ... , The temperature rise of our low-power LED is within 20 oC,E, Life span ≥50,000hoursBattery, high ... % lighting throughout the year.D, Life span, ≥10yearsCable &connectorsA, Our Ultra-violet pure silicone rubber copper wire and Silver-plated high-strength ...