Don't hesitate just buy it.... long lasting battery and USB recharging
This powerful UV light is perfect for curing Loon’s UV products either individually or at a volume rate. A push button on/off and a powerful beam makes curing UV products simpler than ever. One AA battery included.
DIRECTIONS FOR USE:
While indoors or shaded from the sun apply Loon UV product and form into desired shape. To cure, shine UV Bench Light on UV product. UV Product should be fully cured and hardened in 15 seconds.