1)Socket:Wedge (W2.1X9.5D) 2)Voltage:12/24V DC 3)environment-protection 4)Trade Report Audited by BV,download free! T10 7Led For Signal Lightfeatures:1)Type:T10/1942)Socket:Wedge(W2.1×9.5D)3)Voltage:12/24V DC4)Uasge:Auto signal light,Track side light5)Strong optical effect and long life 6)Energy-saving and environment-protection7)Colors: red, blue, green, yellow, white8)Guarantee: one year (used ...