Petzl - TIKKA XP 120 Lumens 80 lumens / 68m beam length / 190h burn time, 5 lighting modes: 3 continuous, 2 strobe Sliding Wide Angle lens and Red LED for preserving night vision 100 decibel whistle Water tightness : IP X4 (water resistant ) Battery Type (included): AAA/LR03, compatible with the CORE rechargeable battery