USB 3-in-1 Speedometer Plus Headlights Horn Bicycle 11x7cm

OverviewThis is a bicycle headlight with three functions in one. The LED display is backlit automatically and when you starts riding it will wake up naturally.
Features:
800 lumens bike headlight gives you perfect 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. 3 sounds can be selected to switch.
Independent split-type wire control switch, pluggable design, connected through USB port, can control the lighting and speaker.
T6 double lamp bead, one lamp or double lamp can be switched, a total of 4 lights mode.
The battery has a capacity of 4000mah and lasts about 6 hours at high brightness and 20 hours at low brightness.
Specifications:
Headlight brightness: 800 lumens
Electronic horn: About 120 dB Lamp
Material: plastic
Battery: 4000mAh
Waterproof: IPX4
Light source: T6 * 2
Speedometer: wireless
Color: red, green, blue, black (optional)
Type: 1, 2 (optional)
Package size: 110 * 70 * 55mm / 4.3 * 2.8 * 2.2in
Package weight: 210g / 7.4ounce
Packing List:
Type1:
1 * Host
1 * Speed Sensor
1 * Fixed Base
1 * Tools and Screw Fittings
1 * Tie
1 * Magnet
1 * Wire Controller Fixed Rings
1 * Light and Sound Controller
1 * USB Cable
Type2:
1 * Host
1 * Speed Sensor
1 * Fixed Base
1 * Tools and Screw Fittings
1 * Tie
1 * Magnet
1 * Wire Controller Fixed Rings
1 * Light and Sound Controller
1 * USB Cable
1 * Front Floatings Bracket