Battery: 1 x 18650 ( included, 3500mAh ) or 2 x CR123, or 2 x RCR123, required at least 8A constant drain current . The NITECORE HA11 Ultra Lightweight Dual Beam AA Headlamp can provide a max output of 240 lumens and a max throw of 90 meters with a weight of 36g (1. The headlamp offers a spot and floodlight adjustable design which is operated by the dual switches on the top of the light. Note: The measurements and data collected, having been made with instruments and environmental conditions different from those carried out by the parent company, can be dissimilar. BRIGHT FOCUSABLE HEADLAMP - Continuously adjust between a 1800 lumen focused spotlight or a 1400 lumen wide floodlight with a max of 2000 lumen in total.

To access the auxiliary red light and flashing modes double press the power button while the light is off and it will turn on in red low. Finance is provided by PayPal Credit (a trading name of PayPal UK Ltd, Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH).On the other hand, the brand has proven itself throughout the years by introducing innovative and top-quality products. Interestingly enough, the Spot mode seems to have a warmer colour temperature (albeit not by much) – this could be due to the TIR reflecting light differently. Lux Meter: For lumen readings and runtimes, an Adafruit TSL2591 connected to a Raspberry Pi running Ubuntu, using RuTiTe by bmengineer in a custom sphere. The result is that the focus of the light can be adjusted from very wide and even beam to a narrowly focused beam. New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging .

An interesting note – the same power is being delivered for both flood and spot emitters, and is changed smoothly – almost no change in current was detected when ramping between flood and spot. Its crazy brightness, rechargeable batteries, abundant interface, and comfort are sure to please anyone that appreciates fine tools. Then there will be a constant trend for about 2h10m after which the brightness slowly decreases until it turns off.Turbo mode is suitably crowd pleasing, but Im also getting great results from the mid and low settings. The included cell is the NL1835HP, which I’ve previously discovered is usually an LG MJ1 or a Sanyo GA cell with a protection circuit grafted to it – these are both very good cells, and have a capacity of 3500mAh. As such it is interesting to find out how the difference in reflector affects the image of the light: I will show you!