The RovyVon Aurora A2 is precision CNC crafted from stainless steel and has different surface treatments and colors for preferences. Some of them (Matte Black, Gold, and PVD Space Grey) have a special surface treatment to be fingerprint-proof. Aurora A2 utilizes a CREE XP-G3 LED which delivers max 550 lumens*, and the 130mAh lithium polymer battery could be fully charged in 45 minutes thanks to the built-in Micro USB charging port. As a keychain flashlight, it has a 2'' long body and weighs 1 oz (28.35g, battery included).