General description 5W Mountain Bike Headlight Kit is designed for cycling enthusiasts who need reliable lighting during night rides. This kit includes a powerful CREE bulb headlight, a durable taillight, and a versatile light bracket, making it suitable for mountain bikes and other bicycles. The headlight features multiple brightness settings and a long lamp life, while the taillight ensures visibility from behind. 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