price is W/ battery, battery is slightly more. Specifications from listing,
Emitter: 1x Luminus SFT40 led
Operating voltage: 2.8V—4.5V
Battery options: 1x 21700 rechargeable lithium-ion battery
IF22A Dimension: 127.1mm (length) × 42mm (head diameter)
IF22A Weight: 120 grams (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.
Toughened mineral glass lens
Water resistance i.a.w. IPX-8 (up to 2 meter under water, not for diving)
Mode Memory: memorizes the last brightness level used in the general modes (Low/Med/High)
Reverse polarity protection from improper battery installation
Low voltage warning: When the battery voltage is too low, the LED indicator in the side switch will start to flash rapidly. Please recharge the battery.
Low voltage protection: The flashlight steps down automatically when the voltage is lower than 3.0V. It also turns off automatically if the voltage gets too low. Please recharge the battery.
Advanced Temperature Regulation (ATR) technology: As the temperature rises(above 55℃), IF22A is programmed to automatically step down and step up the brightness to prevent over-heating.
1:without battery: including 1 flashlight, 1 user manual, 1 USB cable, 2 replace orings, 1 lanyard
2: with battery kit: including 1 flashlight,1 5000mah 21700 battery, 1 USB cable, 1 user manual, 2 replace orings,1 lanyard