Ikzi Light LED lighting set The front and rear lights provide high light output with low energy consumption through five LEDs. The lights work on four included AAA batteries and you are visible to other traffic up to 900 meters away. You attach the lights to the handlebars and seat post using the adapter or to your bag or clothing using the clip. Specifications: Color: red, black, white Material: plastic Type of light: LED Light output: 5 lumens Light range: up to 900 meters Dimensions: 4.2 x 7.5 x 3.5 cm Power supply: 4x AAA batteries (included) Mounting: handlebars, seat post, belt Waterproof: IPX3 Quality mark: CE, RoHS Contents: 1 Rear light 1 Front light 4 AAA batteries