The Moon Nova front Bike Light is 1 piece 80 Lumen CREE LED safety light, with 270 degrees of visibility & a 60 degree spot angle to keep you road safe during the day or night. The integrated lens switch makes it easy to cycle through the 5 light functions, while the replaceable AA battery will keep you safe & seen for over 7 hours. The Moon Pulsar rear light is a 1 piece 50 chip high output COB LED safety light, with 300 degrees of visibility & a 93 degree spot angle. The integrated lens switch makes it easy to cycle through the 8 light functions, while the replaceable battery keeps you safe & seen for hours. Easy to fit the Nebula Cob & Pulsar come with quick release universal Brackets.