... require constant temperature. 2. Main parameters MODEL NO.GS-TJ15003CSize1000X600X18MM/pic,3 piecesElectric Heater TypeFar infrared heaterHeating ElementCarbon crystalInstallationWall mounted, ... 3700v and the leakage of current is below 0.25mA.Besides,it is safe to children and pets ... flexibility. You can also install it by yourself. CE,RoHS,EMC,GS approved far infrared far infrared carbon heater