Specification: Colors:black Voltage:4.5V On-off Style:touch-tone Bright degree:range 100M Bulb\'s lifetime:100,000hours Battery:3XAAA(without battery for the transport) Product material:Metal+Electronic components Lighting Time:Hard Light(3 hours)Low Light(6 hours) Product size:9.8cm Length,Lamp top diameter:3cm,Lamp bottom...