DYNAMIC DUO A brilliant all-round combo the Recon HL600/TL200 package gives riders ample lumen output and usage time for any casual riding scenario. Both fit easily on just about any Giant or Liv helmet and are GoPro mount compatible. Features Headlight: Lumens and runtime certified to the ANSI-Standard Focused optics with side light design for over 270 degrees visibility Heat-dissipating CNC-machined aluminum structure Power status indicator can let you know how much run-time to go before powering off Includes adjustable GoPro mount   Tailight: Maximum output to 200 lumens ANSI-Standard certified lumen output and runtime Water proof to IPX7 standard Disperse optics with side light design for over 180-degrees of visibility Power status indicator alerts remaining run-time before powering off Compatible with saddle rail mount providing optimal angle for visibility Specifications Headlight: Size: 82x26x36mm Weight: 87g without mount Colors: Black LED: OSRAM LED x1 Mode/Lumen/Runtime: High 600lm 1.5hrs Middle 300lm 3.5hrs Low 150lm 7hrs Smart Mode Day Flash 200~100lm 38hrs Smart Mode Night 300lm 3.5hrs Night Flash 150lm 33hrs Battery: Li-Ion polymer battery 1600mAh Charge Time: 3-6hrs Waterproof: IPX6 Certifications: ANSI-Standard FL-1   Tailight: Sizes: 53x28x28mm Weight: 46g with mount Max Output: 200 lumens Runtime: High 100LM 2.5hrs Low 50LM 5hrs High Flash 200LM 6hrs Low Flash 10LM 25hrs Smart Mode Day 200LM 6hrs Smart Mode Night 30LM 10hrs Low Battery Flash mode 20 mins. Battery: Li-Ion polymer battery 1000mAh Waterproof: IPX7 Certifications: ANSI-Standard FL-1