The V20C is the latest tactical flashlight from SUNWAYMAN. This powerful LED light utilizes the brand new magnetic control ring from SUNWAYMAN. Users can select any output level from 0.5-480 lumens, or a strobe mode, and the V20C integrates a super low stand-by current. It is equipped with a Cree XM-L U3 LED and is compatible with either two CR123A batteries or one 18650 battery. The V20C fits perfectly in your hand, is a convenient size, has an elegant finish, and easy to use interface. It is an ideal lighting tool for every-day-carry, outdoor activities, military defense, hunting, mechanical work, and more.SPECIAL BONUS: Includes a free SUNWAYMAN R01A AAA LED Keylight! With this purchase you also get a small pocket sized backup flashlight perfect for every-day-carry; when you need a little extra light in a bind. Features and Specifications: CREE XM-L U3 LED, with a lifetime of up to 50,000 hours Digital Sensor Magnetic Control system - slightly twist the Rotator Ring from left to right to select desired mode from super-low current standby, output ranging from 0.5 to 438 lumens, to strobe function Max Output: 480 Lumens (2hrs) Min Output: 0.5 Lumens (120hrs) Strobe: 480 Lumens Constant current circuit, constant output Effective range of 300 meters Uses two 3V CR123A batteries or one single 18650 battery Working voltage: 4~8.4V High quality reflector maintains great throw distance and spread with an ideal beam pattern Dimensions: Length: 5.28" (134 mm) Head Diameter: 1.26" (32 mm) Tail Diameter: 1" (25.5 mm) Weight (excluding battery): 4.23 oz (120 g) Aerospace-grade aluminum alloy Military Specification Type III- hard anodized body Waterproof, in accordance with IPX-8 standard Ultra-clear tempered glass lens resists scratches and impacts Tactical forward click switch with momentary on Tail stand capable- can be used as a candle Includes Bonus AAA Keylight! Included Accessories: Metal tactical ring, lanyard, holster, O-ring, rubber cap Specifications of R01A: Output: 10 lumens Battery: 1 x AAA (not included) Anti-roll design Waterproof to IPX-8 Standard Type III hard anodized body Working Voltage: 0.9-4.2V Dimensions (length x diameter): 2.76" x 0.55" (70 x 14 mm) Weight (excluding battery): 0.46 oz (13 g) Included Accessories: o-ring, key ring