Product material:Metal(Aluminum)+Electronic components Colors:black Mode: 3 Mode (High， Low， Strobe) Bright degree:range 150M-200M Bulb's lifetime:100，000hours Voltage:4.5V (3X1.5V) Battery:3XAAA(without battery for the transport) On-off Style:touch-tone Package contains 1 xFlashlight(without battery) 1 x Bicycle clip