Specifications:800 lumens bicycle headlights provide you with an excellent view and keep a safe distance in the dark.A bicycle speedometer can accurately record speed and distance, which can help you have more riding fun or easily achieve your fitness goals.The 120dB speaker can provide clear warnings for passersby and cars.Please feel free to ride with this wonderful gadget and feel your own speed!Item Name: Bicycle Horn LightMaterial: ABSHeadlight Brightness: 800 LumensLighting Mode: High/Low/FlashEffective Range: 200MElectronic Horn: 120 dB (3 modes)Light Working Time: 5Hrs / 10HrsBattery: 4000 mAh Battery (Included)Charging Time: 4 hoursSensor Battery: Button Battery (Included)Sensor Working Time: 12 Months, 1 Hour/DayWaterproof Rating: IP65Features: Durable, Useful, ConvenientSize: 11cm x 4cm x 3.5cm/4.33" x 1.57" x 1.38" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Multi-Function Light1 x Fixed Base1 x Tool2 x Screws2 x Nuts1 x Cable1 x Magnet1 x Speed Sensor1 x Wire Control Fixing Ring1 x Lighting And Sound Wire Control Fixed Ring1 x Charging Cable