Zebralight H502pr Photo Red AA Flood Headlamp Review

LED: Cree Red XP-E Photo Red (650-670 nm). User Selectable Levels: 3 main levels (High, Medium and Low). Each main level can be programmed to one of its two sub-levels. The second sub-level of the each main levels can be further programmed to different brightness levels or strobes. Light Output: High – H1 100 Lm (0.9 hrs) or H2 61 Lm (1.9 hrs) / 38 Lm (3.3 hrs) / 4Hz Strobe. Medium – M1 19 Lm (7.5 hrs) or M2 10 Lm (12 hrs) / 4.6 Lm (27 hrs). Low – L1 1 Lm (4 days) or L2 0.13 Lm (2.8 weeks) / 0.02 Lm (1.8 months) / 0.003 Lm (2.8 months). Light output are ANSI out the front (OTF) values. Runtime tests are done using Sanyo 2000mAh Eneloop AA batteries. Operating Voltage Range: 0.7V – 2.5V. Battery: One 1.5V AA (NiMH, lithium or alkaline). 14500 Li-ion batteries are not supported. Batteries are not included in the package. Parasitic Drain: Negligible (equivalent to 16 years). Beam Type: Flood, with 120 degree beam spread. Dimensions: Diameter 0.84 inch (21.3 mm), Length 2.76 inch (70.1 mm). Weight: 1oz (29 gram), 2oz (55 gram) with an Eneloop AA, 2.8 oz (78 gram) with an Eneloop AA and headband. Features: Electronic soft-touch switch, with a 200,000 cycle operating life. Smart user interface provides fast and easy access to all brightness levels. Precision machined unibody casing from premium grade aluminum bar stock. Proprietary heat sinking design bonds the LED board directly to the unibody aluminum casing, providing unblocked thermal paths to over 92% of the surface area. Durable natural hard anodized finish (Type III Class I). Tempered optical grade glass. Battery power can be locked out by slightly unscrewing the tailcap to prevent unwanted activations or parasitic drain. Waterproof to IPX7 (2 meters, 30 minutes).