Veeki&reg; 2000 Lumens XM-L X2 LED Bicycle Light & 6400mAh Battery Pack & Charger , 4 Modes Waterproof LED Bike Lmap headLight Super Bright Lighting Lamp for Outdoor Sports Like Camping Hiking Bicycling Riding Made of high quality aluminum alloy, this bike light is sturdy and durable enough for long time dail Vacuum plating cup light surface, anti fall off, concentrating the perfect effect. Aluminum alloy sh Intelligent circuit control,4 switch modes: High, Medium, Low, Strobe. The lamp support fixing on the bicycle with the rubber ring, working as a bicycle lamp. Besides, com Power Source: 1 x 8.4V 6400mAh rechargeable Battery Pack (4x 18650 Battery).