... 100,000 hours!2.Intelligent digital circuit control,working volltage:8.4V,four-mode memory dimming circuit,point-touch switch with cable. (1 ... (2pcs in parallel,2pcs in series),capacity: 4400 mAh,voltage: 8.4V,providing one rubber ring for the wired switch and ... more than 2.5 hours for high mode,more than 8 hours for low mode;6.With electricity display,when the ...