The Weefine ring light gives you 1000 lumens (continuously) with 4 different power levels (100%, 75%, 50% and 25%) and can be easily mounted on any 67mm port or adapter. The burn time is around 1 hour at the highest power level. The power comes from one 18650 battery or three AAA batteries. The battery (18650 lithium) is already supplied in the package and it comes with a small and easy to use charger.
Once mounted on your 67mm threaded lens port, the ring light can be rotated so that the battery compartment is in any desired orientation.
Battery charger is a 'USB powered' charger. The battery charger is to be plugged into a powered USB port of your computer or a common USB charger.
1000 lumens - high power
4 power levels; 100%, 75%, 50%, 25%
Run time is 65 minutes on full power
Recharge time is approximately 4 hours
Battery charger is included
Rechargeable battery is the common 18650 lithium ion
Or use three AAA alkaline batteries with the included adaptor