"Probably one of the cheapest & smallest 21700 lights you can find in the market - the D2 still provides you with a flat tail-standing build, 1,000 lumens max brightness which can last super long on a 21700 cell, flexible brightness selections & modern USB-C charging" - Fstop Lights
Recommended Battery: Samsung 40T
Features
Output: 15- 270- 550- 1000 lumens (Low-Med-High-Turbo)
Modes: Four modes plus Strobe and SOS
Runtime: 120 hours (21700)/ 82 hours (18650)
Intensity: ~56500cd ANSI
Beam distance 475m (Max)
Optic: Aluminum, smooth
Lens: Dual sides AR coat anti-reflecting glass
Battery: One 21700 or 18650 Li-ion cell (not included)
Rechargeable: USB Type-C rechargeable
Body: Aluminum with hard-coat anodizing
Switch: Electronic side switch
Weight: Approximately 85g without cells
Size: 37*115.5*25.4mm
Waterproof: IPX8, underwater 2m
Operations
-OFF: Press and hold the switch for 1 second
-Output change: One-click from ON (Low-Med-High, with memory)
-Turbo: Two clicks from ON (without memory)
-Strobe/ SOS: Press and hold the switch for 2 seconds from OFF, one-click to enter SOS (without memory)