No noise, quick start flicker-free, sofe more stable high power factor and small construction. Suitable for living room, shops, surper markets.
1. MK-4B for T8. 2. One ballast for one lamp. 3. Voltage: 220v 50hz. 4. Power: 18w, 36w. 5. PF: 0.98, BF: 0.95. 6. Temp: less than 50 digree.