Whistler WHL40 Owners Manual
![Whistler WHL40 Helmet Safety Light manual cover](/images/347fc085dc0c101750afe3e7/thumbs/thumb175x175.webp)
To activate the Whistler WHL40 Helmet Safety Light, press and hold the power button located on the side of the unit until the light turns on.
If the safety light does not turn on, ensure the batteries are properly installed and fully charged. If the problem persists, try replacing the batteries with new ones.
The WHL40 has a low battery indicator that will flash a red light when the battery is running low.
Yes, the Whistler WHL40 Helmet Safety Light is water-resistant and can be used in light rain conditions.
Use the included strap or adhesive mount to securely attach the WHL40 to your helmet. Ensure the light is facing backward for maximum visibility.
The battery life of the WHL40 is approximately 10 hours on continuous use. Battery life may vary based on the mode of operation.
To switch between light modes, press the power button briefly while the light is on. The WHL40 offers multiple modes such as steady, flashing, and pulsing.
Regularly check the battery compartment for corrosion and ensure the lens is clean. Replace batteries as needed to ensure optimal performance.
No, the LED lights in the WHL40 are not user-replaceable. If the LEDs fail, contact Whistler customer support for assistance.
To maximize visibility, ensure the light is clean and unobstructed. Position the light at an angle that is visible to drivers and pedestrians from a distance.