Trustfire St-50 Sst-50 5-mode 1300-lumen Memory Led Flashlight Emitter Brand/Type: Luminus; Emitter BIN: 	SST-50; Color BIN: White Total Emitters: 	1; Voltage Input: 5~8.4V, 8.4V max Switch Type: Clicky/Clickie; Switch Location: Tail-cap; Modes: 5 Mode Memory: 	Circuitry Features Mode Memory Mode Arrangement: 	Hi (5000mA 1300LM) &gt; Mid (3000mA 800LM) &gt; Low (1750mA 500LM) &gt; Fast Strobe (4000mA 1200LM)&gt; SOS (5000mA 1300LM)