12" X 18" "TRUEZONE" DAMPER AUTOMATIC CONTROLLED MOTORIZED 24 VOLT SPRING-RETURN MOTOR 24VAC/60HZ/8W

12" X 18" "TRUEZONE" AUTOMATIC RECTANGLE ZONE CONTROLLED MOTORIZED DAMPER, VOLTAGE:24 VOLT SPRING RETURN MOTOR, HERTZ:60, WATTS:8,AMPS:0.6, AMBIENT TEMP:40 DEG F TO 140 DEG F, TIME DELAY:38 SECONDS POWER OPEN/10 SECONDS SPRING RETURN, MATERIAL:EXTRUDED ALUMINUM, DIMS:18"H X 6"W X 12"D, WEIGHT:8 LBS, ORIGIN:MEXICO, IN MFG BOX.