INPUT VOLTAGE FOR CHARGING : DC6VCHARGING TIME : APPROX 8HOURSSUPER BRIGHT SMD3528 0.064W X20PCS PER 1TUBE(5000-6500k, 7LUMEN /PC)LED LGIHT TUBE BRIGHTNESS :APPROX 140 LUMEN PER TUBELED TORCH LIGHT BRIGHTNESS : APPROX 20LUMENLEAD ACID RECHARGEABKE BATTERY 4V/1AHDURATION :STRONG BRIGHT : APPROX 4HOURS PER TUBESOFT BRIGHT : APPROX 8HOURS PER TUBETORCH LIGHT : APPROX 20HOURS (FOR ''A'' LIGHT TUBE ONLY)TWIN TUBE ACCESSORIES PROVIDED AC ADAPTOR :INPUT -AC 100V-240V ~50/60HZ ; OUTPUT- DC6V/500MA DIMENSION:125X54X232MMCARTON QTY:20PCS/CTNCARTON SIZE:534X494X310MMConTAINER QTY:20'FT -7000PCS40'FT -14000PCS