Features

800 Lumens Bike headlight gives you awesome visibility and keep safe distance in the dark.

Bike speedometer with accurate tracking on speed and distance helps you to get more fun of your cycling trip or easily achieve your fitness goals.

120dB speaker provide a clear warning for passers-by riders and cars.

Please enjoy cycling with this wonderful gadget in the anytime to feel your speed!

Specifications

Name:Bike Computer Horn Light

Model: BL20217144

Headlight brightness: 800 lumens

Lighting mode: High/Low/Flash

Effective range: 200m

Electronic horn: About 120 dB Lamp

Light working time: 5hrs/10hrs

Computer working time: 3000hrs

Rechargeable Battery: 4000mAh

Charging mode: USB charging

Recharge time: 4hrs

Sensor battery: CR2032

Sensor working time: 12months, 1hr/day

Waterproof: IP65

Weight: about 145g

Size: about 110*40* 35mm

Color: Red / Blue / Green / Black

How to install the magnet and launcher

The best installation position of the magnet is on the top of the bicycle spoke. The top of the bicycle spoke has a non-circular structure. After the magnet is locked, it will not swing back and forth, and the wireless signal is stable.

The distance between the magnet and the sensor should be kept at about 6mm. If it is too close, it may become unstable.

The magnet corresponds to the center position of the transmitter liked the picture showed, and the signal is more stable and accurate.

Wireless launcher needs a 2032 button cell.

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