"BULB VOLTAGE:28V AC/DC OR LESS,LED LAMP:LE-4.2A,LED LAMP VOLTAGE 12V DC TO 24V DC,WITHSTAND VOLTAGE 2000V AC FOR 1MIN BETWEEN LIVE PARTS AND GROUND (1000V AC FOR 1 MIN)TEMPERATURE RESISTANCE:NORMAL AFTER BEING LEFT FOR 2 HRS AT -25+OR13 DEGREES CELSIUS AND 2HRS AT +55DEGREES CELSIUS,HUMIDITY RESISTANCE :NORMAL AFTER BEING LEFT FOR 96 HRS AT 40+ OR -2 DEGREES CELSIUS,95%RH,SHOCK RESISTANCE:3-DIMENSIONAL SHOCK OF 500M/S2 TO 6 SURFACES 5MIN,PANEL THICKNESS:1-10MM,FRAME COLOR:NICKEL PLATING,WIRING:SOLDERING,LENS MATERIAL: POLYCARBONATE RESIN,HOLDER SECTION:BRASS(NICKEL PLATING) TERMINAL:PHOSPHOR BRONZE FOR SPRING (NICKEL PLATING)"