Mode: Automatic mode: It's only working at night and motion
Bright mode: It is working at any time except "Turn off"
Operation: Longer pressing button about 2 seconds to turn on or turn off the light light first enter into the automatic mode while it is turned on with the 13st-16th LED¡®s flashing, then can be changed to be the manual mode by just short clicking the button with 1th-4th LED's flashing.
Battery: Operated by battery 3xAAA
Could be maximed to 10 hours when it works
Other details Surface Material: Hard Plastic
Entity Size: App.14.5cm*3.8cm(Just Main Body)
ulley Length:App.4.5cm
Notice: Please permit around 1cm error for the size because of measuring by rule.
Advice: Purchase 2 Spoke Lights once time for front and back wheel.