HD15 Emitter: 1x Samsung LH351D 5.000K 90CRI + 1x SST20 5.000K.

HD15R Emitter: 1x Samsung LH351D 5.000K 90CRI + 1x Luminus SST20 DR-B120-V660

Operating voltage: 2.7V 4.2V

Battery options: 1x 18650 lithium-ion battery

Dimension: 110mm (length) x 27.4mm (head diameter)

Weight: 72g / 0.16lb (without battery)

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.

Water resistance i.a.w. IP-68 (up to 2m / 6.56 ft. under water)

Reverse polarity protection to protect against improper battery installation.

Advanced Temperature Regulation (ATR) technology: ATR automatically reduces the brightness level when the driver temperature reaches 60°C to prevent overheating

Low voltage warning

Beam angle: Spotlight: 105° Floodlight: 125°