Powered By: 3PCS *18650 Lithium Battery 3.7V 2000mah (without battery)
Battery cannot be transported by air, I do not provide the battery.
Interface: USB interface. Or use a high current charging treasure.
Multi Function: switch
Item Weight: 85g
1X LED glasses
Battery link: https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20180327050906&SearchText=18650+2000mah