ReyLight x Vosteed Rook-Aluminum Triple Nichia 519a LED

Comes with rechargeable 18350  battery with built-in USB-C charging port.

head dia: 24mm/0.94 inch

total length: 81mm/ 3.19 inch

(battery included) weight: 83.5g/ 2.9 oz  

Group1: (Moonlight)-2%-20%-100%  ( Default)

Group2: (ML)-10%-40%-100%

Group3: (ML)-2%-10%-50%

Group4: (ML)-50%-100%-strobe-SOS

Click here for  the programming guide.