General description 5W Mountain Bike Headlight Kit is designed for cycling enthusiasts who need reliable lighting during night rides. This kit includes a powerful headlight with a CREE bulb, a durable taillight, and a versatile light bracket, making it ideal for mountain biking and other outdoor activities. Technical specifications Bulb: CREE bulb Brightness: Low light ≤ 120 lumens; Strong light ≥ 160 lumens High frequency flashing: 10HZ/S Lamp life: 100,000 hours (theoretical value) Voltage: 3.6-4.81V Battery: 3 x No. 7 or 18650 batteries (not included) Size: 104mm (113mm) × 34mm (Max) Protection class: IP6 Material: Hard anodized titanium black for the headlight; High hardness VYI plastic for the taillight Compatibility and accessories Light bracket suitable for installation on seat posts below 30mm Can be mounted on the rear fork tube of the bicycle Adjustable torch buckle and handlebar buckle for torches with a diameter of 2.7-3.1cm Compatible with handlebars with a diameter of