Nitecore LED headlamp 1800 lm HC33

# NITECORE HC33 Headlamp ## Overview The **NITECORE HC33** is a versatile, high-performance headlamp with an L-shaped design. It features a modern CREE XHP35 HD LED that emits cool white light, delivering up to 1800 lumens with a beam range of 187 meters. Its unique design allows it to function as a handheld flashlight when detached from the head strap. A key feature is its magnetic battery compartment cover. ## Key Features - **Magnetic Tail Cap & Belt Clip**: Easily attach to metal surfaces or clip to a belt or pocket. - **Battery & Runtime**: Operates on one IMR 18650 battery, offering up to 330 hours of runtime. The headlamp blinks to indicate battery voltage and includes reverse polarity protection. - **Durability**: Constructed from hardened aircraft-grade aluminum, ideal for outdoor activities like hiking and cycling. ## Specifications - **LED**: CREE XHP35 HD LED - **Light Color**: Cool white - **LED Lifespan**: 50,000 hours - **Maximum Output**: 1800 lumens - **Beam Distance**: 187 meters - **Beam Angle**: 100° - **Compatible Batteries**: 1x IMR 18650 3.6V / 2x CR123 3V - **Modes**: 8 (TURBO, 43%, 13%, 4%, 0.06%, STROBE, SOS, BEACON) - **Mode Memory**: Yes - **Material**: Aircraft-grade aluminum alloy, Type III hard-anodized finish - **Body Color**: Black - **Max Runtime**: 30 minutes (max output) / 330 hours (min output) - **Impact Resistance**: 1.5 meters - **Water Resistance**: IP68 - **Dimensions**: Length: 10.6 cm, Reflector diameter: 2.4 cm - **Weight**: 40.3 g (without battery) ## Package Contents - Headlamp - Head strap - 2x spare O-rings - 1x spare rubber switch cover - Belt clip - Nitecore IMR 18650 3500mAh 8A 3.6V Li-ion battery ## Operation - **Power On/Off**: Hold the switch for 2 seconds to turn on/off. - **Mode Selection**: Press the switch to cycle through modes. The headlamp remembers the last used mode. - **Strobe Modes**: Double-click when off to activate strobe modes. Press to switch strobe settings. Turn off and on to return to regular modes. ## Warnings - **O-Rings**: Replace worn O-rings and apply lubricant regularly. - **Troubleshooting**: If flickering or not turning on, check battery charge, clean contacts, and ensure all parts are tight. - **Battery Care**: Avoid fully discharging Li-ion batteries. Recharge when brightness drops. ## Caution Avoid direct eye exposure to the light and do not shine into others' eyes due to high light output.