The light will be locked, rapidly flashing red light when you press the buttons.
To Unlock: press and hold the power button for 3 seconds to unlock the light or charge the light.
To lock the light, why? Traveling etc will not allow the light to be bumped and turn on the light.
To Lock: when the light is off, press and hold the power button for 3 seconds to enter locked mode.
Features:
200LM output with ANTI-Glare technology Lens: Side visibility and oncoming friendly design, with 3 Brightness, 2 Flash modes, and memory function; the ANTI-GLARE technology lens offers better safety during daily riding.
Long runtime and rechargeable: Powered by a 900mAh rechargeable battery, charging in 2-3 hours and running for 42 hours; The low battery indicator light turns red when it's under 20% power, so you're never left in the dark.
Daytime Flashing: Daytime Running Lights are designed with a specific flash, focus, and range to make them more visible during daylight hours. You can quickly switch between flash and light modes with a double-click of the power button.
Lightweight and waterproof: IPX 6 waterproof body with a compact style that looks excellent on any bike; Measures 2.8 x 1.2 x 1.5 in (72*30*38mm) and weighs only 2.12oz(60g).
TOOL-LESS MOUNTING SYSTEM: ALLTY 200 comes with a toolless removable silicone strap for handlebars 22-32mm in diameter, making attaching your light incredibly simple.
Our improved silicone button stands out in the darkness: The button is easy to press even with gloves on. and has a lock function to prevent accidental operation.