... 2) Socket: shockproof, high temperature resistance, prevent tube rupture 3) Color temperature: 3, 000K, 4, 300K, 6, 000K, 8, 000K, ... Less power consumption will expand battery cell lifespan. 3. Stabile Output Power strengthens Lamp Lifespan and keep color temper coherence. ... efficiency, long lifespan, and low defect. 6. Stabile output frequency without Hertzian waves 7. Self-developed and designed, ...