Specification:

1. Emitter: 1xLH351D 5.000K 90CRI + 1x Luminus SST20 DR-B120-V660
2. Beam Degree:white 105°   red125°
3. Operating voltage: 2.7V – 4.2V
4. Battery options: 1x 18650 or 1x 18650 lithium-ion battery
5. Dimension: 110mm (length) x 27.4mm (head diameter)
6. Weight: 72g / 0.15lb (without battery)
7. Flashlight body: Aerospace grade 6061 grade aluminum alloy, CNC manufactured to hard-anodized to military grade specification type III, anti-abrasive finish to get solid built body, anti-crash geometry and better heat exchange.
8. Water resistance i.a.w. IP-68 (up to 2m / 6.56 ft. under water)
9. Reverse polarity protection to protect against improper battery installation.
10. Advanced Temperature Regulation (ATR) technology: ATR automatically reduces the brightness level when the driver temperature reaches 60°C to prevent overheating
11. Low voltage warning:If the battery’s voltage is lower than 2.7V, HD15R turns off automatically to avoid battery damage by overdischarge.

Package：

1. without battery：1*HD15R flashlight, 1*headstraps, 1*18350 short tube, 1*USB cable, 1*dual-way clip, 2*O-rings, 1*user manual
2. with battery: 1*HD15R flashlight, 1*18650battery, 1*headstraps, 1*18350 short tube, 1*USB cable, 1*dual-way clip, 2*O-rings, 1*user manual