The powerful Mini features a Cree ML-E LED and 2 small red LED as light sources. which makes the headlamp not only a spotlight but a signal light. Durable and waterproof to level of IPX7, it can be used in heavy rain. A Sunbrite Systems Mini is ideal for all outdoor activities. The lightweight mini runs on 2 CR2032 batteries. Batteries are included with all Sunbrite System headlamps. 24 Lumens max.