Function:Super bright XM-L U2 LED bicycle light.
-LED Type:XM-L U2 LED.
-Quantity Of LED:2pcs.
-LED Life:100, 000 hours.
-Feature:More condensed light, long exposure distance.
4 Switch Modes:Weak, Middle, Strong, Strobe.
Switch Type:Blue Button.
Runtime:2-4 hours.
Switch Location:Tail-cap.
High-performance electronic switch.
-Slightly click the switch to turn ON/OFF the light.
-Slightly click the switch to change the brightness modes, LOW-MID-HIGH.
-Long press the switch for more than one second to access to Strobe mode.
Battery indicator(beside the blue button)
-Three lights lit on(power≥80%).
-Two lights lit on(50%≤power≤80%).
-One light will lit on and will flash three(runtime≤30minutes).
Power Source:1x8.4v 6400mAh Battery Pack(Included).

Battery Charger(include):
-Voltage:100v-240v.
-LED indication for Power On/Charging/Full charge.