The Avenir CITY Combo Bicycle Back Light and Front Light set by NiteRider includes a head & tail light set with LED bulbs. The set features detachable light/flashlight capabilities, a hi-lo beam, rechargeable batteries, and flashing features. Made of aluminum and plastic, the lights are in a sleek black color and offer a durable and reliable lighting solution for cyclists. The set is designed for modern city riding conditions, providing both safety and style for riders on the go.