... 1 piece of T5 lamp equals to 10 pieces of incandescent lamps with the same power. 2. High efficiency: Light efficiency ... can achieve 105 lm/w, ten times higher than incandescent lamps with the same power. 3. Environment-friendly: Every lamp ... white (5000K), cold white (4000K), white(3500K), warm white (3000K), incandescent color (2700K), and color temperature can be adjusted based on ...