Olight S1A Baton personal LED flashlight - 600 lumen max output. The S1A Baton is an all new LED flashlight powered by a convenient single AA battery. The S1A is the upgraded version of the extremely popular S15 Baton with double the performance including our signature TIR optic lens that delivers 600 lumens. This flashlight is compatible with any AA battery for ease of use (Diameter:14mm; Length: 50mm). The S1A Baton has five brightness levels and a strobe mode covering a range of 0.5~600 lumens. The S1A maintains the signature style of the Olight Baton series such as the black stainless steel pocket clip using salt bath nitride technology, blue clamping ring on the flashlight bezel and button, and a magnetic tailcap. Being so compact, it can be placed in a pocket, bag, or attach to a belt.The S1A Baton is a convenient illumination tool that can meet anyones everyday needs. KEY FEATURES: --Cree XM-L2 LED --Powered by one AA battery. Conventional output: 0.5 lumens, 5 lumens, 50 lumens, 220 lumens, strobe mode at 10Hz. Special output: turbo mode at 600 lumens (only available when 14500 rechargeable lithium battery is used) --High light transmission rate TIR lens resulting in a balanced and useful beam --Eco-friendly AL6061-T6 aluminum alloy body with anti-scratch Milspec type-III hard anodized finish and a blue PVD stainless steel ring on the switch and bezel --Controlled by a thermal protection program, the turbo mode is limited to 1 minute and then the brightness gradually steps down to 50% of the initial brightness (only available when 14500 rechargeable lithium battery is used) --Built-in timer: Short timer (3 minutes) or Long timer (9 minutes) PRC