PETZL Zipka Improved Lumen Output Plus 2 Headlamp 70 lumens / 40m beam length / 185h burn time, 5 lighting modes: 3 continuous, 2 strobe ZIP retractable cord system Red LED for preserving night vision Water tightness : IP X4 (water resistant ) Battery Type (included): AAA/LR03, compatible with the CORE rechargeable battery