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M-Wave Helios K 1.1 USB SL is a compact rechargeable rear bicycle light designed to enhance visibility and safety while riding in urban and other conditions. The model features a single red LED diode, a wide 240° viewing angle, and approval for use on public roads according to German regulations. Thanks to the built-in lithium-polymer battery and USB charging, the light offers convenient daily use without the need to replace batteries.
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incl. 20% VAT excluding delivery price.
| Item name | M-Wave Helios K 1.1 USB SL |
|---|---|
| Manufacturer | M-Wave |
| Manufacturer part number | 220559 |
| EAN Code | 887539027384 |
| Product type | Rear bicycle light |
| Material | Plastic, rubber |
| Model | Helios K 1.1 USB SL |
| Protection standards | German approval |
| Design | Compact body with clip mount and universal rubber strap |
| Technology | USB charging, battery charge indicator, 240° visibility |
| Light source | 1 red LED diode |
| Operating modes | 1 mode |
| Visibility | 240° side visibility |
| Operating time | Up to 4 hours |
| Charging time | Approximately 2–3 hours |
| Power supply | Built-in lithium polymer battery |
| Battery type | Lithium Polymer (Li-Pol) |
| Battery capacity | 240 mAh |
| Battery voltage | 3.7 V |
| Battery indicator | Yes |
| Charging indicator | Yes |
| Water resistance level | Water protection |
| Mounting | Tool-free |
| Mount type | Clip mount with universal rubber strap |
| Compatible tube diameter | 19 – 31.8 mm |
| Vertical adjustment | 5 positions |
| Mounting location | Seat post, seat tube |
| Color | Black |
| Weight | 11 grams |
| Warranty | 2 years |
The M-Wave Helios K 1.1 USB SL is designed for urban cycling, daily commutes to work, trekking, and recreational riding. Its compact size, light weight, and wide visibility make it a suitable choice for cyclists looking for a reliable rear light for everyday use.
- Compatible with seat posts and frame tubes with diameters from 19 to 31.8 mm;
- Suitable for city, trekking, MTB, and road bikes;
- Compatible with USB chargers via the included micro USB cable;
If you need help with installation, you can visit one of the DragZone locations:
https://dragzone.bg/pages/shops
Clean the body with a soft, damp cloth without using harsh chemicals. Charge the battery regularly and do not leave the product completely discharged for extended periods. Periodically check the stand and rubber strap for wear. Store the light in a dry place, away from extreme temperatures.
Is the light suitable for use on public roads?
Yes. The Helios K 1.1 USB SL has German approval (StVZO) for use in road traffic.
How long does the battery last?
When fully charged, the light provides up to 4 hours of operation.
Are tools required for installation?
No. The light is mounted using a universal rubber strap without the need for tools.
Is a charging cable included?
Yes. A micro USB charging cable is included in the set.