M-Wave Apollon 1.3 headlight This handy bicycle lamp comes with batteries so you can test it out right away. The lighting has three different modes, has water protection and you can easily mount it on the handlebars. Specifications: Color: black Material: aluminum Lighting type: LED Number of LEDs: 1 Voltage: 3 watts Position: handlebar Power supply: batteries (included) Battery type: AAA LR3 Battery capacity: 4.5 V Clip-on bracket diameter: 22.2 - 31.8 mm Contents: 1 Headlamp 3 Batteries