Esituli Sigma Mono FL

USB rechargeable LED front light with MICRO-USB re-charging functionIntegrated lithium-ion rechargeable battery0.5 W power LEDExcellent visibility thanks to the new SIGMA LOOP-LIGHT-SYSTEMBurn time: 5 h2-stage battery / charge status indicatorDuring usage:- residual capacity < 85% = green LED- residual capacity < 15% = red LEDDuring recharge:- red LED during charging process- green LED when the batterie is fully chargedAdjustable, removable bracketTool-free O-ring installationClick switch with tactile ON / OFF responseWater resistantWeight: 32 g