220V-240V 50-60HZ Thermostat control CE/GS/EMC thermal cut-off energy efficient neon indicator large heating surface and radiation pressure tested for safety smoth castors for easy movement different specification: 7FINs 1500Watt SIZE:385?180?650 20ft /680pcs 40ft/ 1400 PCS 40HQ1600pcs G.W:9.8KG N.W:8.0KG 9FINS 2000Watt SIZE:465?180?650 20ft:580pcs / 40ft:1200 PCS /40HQ:1400 G.W:12.7KG N.W:10.7KG 11FINS 2000W SIZE:550?180?650 20FT:490 PCS /40FT:1000 PCS/40HQ:1200PCS G.W:14.8KG N.W:12.5KG 13Fins 2000W Size:630?180?650 20FT: 420 PCS 40FT/850 PCS /40HQ:950 G.W:17.2KG N.W:14.8KG