Through Authenticate 
SS-L124WG VEGA 1W headlight contains 4 alkaline batteries (LR03 AAA). It can run 3 hours with 1W / 20 lux brightness.
．Pass German STVZO TA23 20 Lux Laws
．Functions: On-Off
．Running time: 3 hours
．Low battery indicator / IC control (Low-Droput, Constant-Current IC)
．Aluminum alloy lamp case – radiate heat and extend LED lifespan
．Quick release bracket (ø22.2mm, ø25.4mm, and ø31.8mm) and batteries (ALKALINE LR03 AAA*4pcs) included
．Rainproof / Tool free
．Colors: Black / Silver / Silver lamp case + black body
．Size: H 39mm x W 36mm x L 90mm
．Weight: 104g (with batteries)
