: ? . : Cree XP-G2 R5 LED ? . : 1 AAA battery ? . bill Beam : 625cd ? . Max : 50m ? . Input Voltage : 0.9V-3V ? . revoke polarity : No ? . Impact : 1.2 m ? . Demention : 70 mm -LRB- -RRB- * 14 mm -LRB- head diameter -RRB- ? . : 12 gram without battery. . : OP Reflector ? . and run time : Firefly : 0.04 Lm -LRB- 115h -RRB-, Sir David Low : 12 Lm -LRB- 6.3 h -RRB-, topographic point : 120Lm -LRB- 0.5 h -RRB-, Strobe : 120Lm -LRB- 1 hour -RRB- ? . : 1 * O-rings, 1 * keychain ring. Operation on / off Easily twist the head to turn on / off the ignitor. the head for on and loosen for off. Change modes When the ignitor is on, off the ignitor and then turn on in 2 seconds to change output mode. Memory function Keep the ignitor off between 2 to 10 seconds and then turn on, the output mode will the similar as your cobbler's last use. Over 10 and then turn on, the output will get shift to firefly mode. concealed strobe Cycle the `` Change modes '' for 6 times to concealed strobe mode -LRB- 120Lm ,13 Hz -RRB-.