UST 30-Day Classic Lantern, Black. The new 30-day classic lantern features state-of-the art functionality in a classic lantern look. Constructs of ABS plastic, the 30-day classic lantern is impact and water resistant. Each 30-day classic lantern features four lighting modes: high= 100 percent , medium=50 percent , low=30 percent and sos Flashing. This exceptionally designed lantern is a remarkable value and provides dependable light for an impressively long time.