The HALO GUARD dynamo is a powerful mudguard rear light with a unique ultra-compact design due to the flowing organic lines and an integrated Z-reflector. It delivers an incredibly effective light beam to the rear and sides. Thanks to the integrated Z-reflector and COB LED technology, the HALO delivers brighter, clearer and more visible light than ever before. With a visibility distance of up to 500 meters from all sides and a powerful light beam of 8 Candela, this rear light ensures that oncoming traffic is kept at a safe distance. The round shape of the HALO GUARD XDS provides 360-degree visibility, making it the perfect rear light for every cyclist. The HALO GUARD XDS is equipped with a parking light function. This function offers additional safety. The light continues to burn for an additional 4 minutes after you stop cycling. The HALO GUARD XDS complies with ECE regulations and German, Danish, Dutch and French legislation.