With one CREE XM-L T6 LED, 1000 Lumens. According to the standard of IPX 8, can diving 30 meters. Added one extenion tube. The price is for one set, including : batteries, charger and gift box. Using 2 pieces 18650 2400 mAh battery with protection.
With three CREE XM-L 2 LED lights, working current : 3000 mA. Brightness can reach 1500 lumens. Its price is for one set, including batteries, charger and gift box. Using 2 pieces 26650 battery with protection.