Item Type: PTC Heating Element Material: Aluminum Alloy, PTC, Polyimide Film Size: Approx. 35x15x5mm / 1.4x0.6x0.2in Shell Material: Aluminum Shell Heating Material: PTC Ceramic Heaters Lead Wire Material: High Temperature Resistant Wire Use Voltage: 220V Lead Wire Length: Approx. 15cm/5.9in Temperature Error: 10 Dry Burning Power: 9W Package List 5 x PTC Heating Element 1. Please follow the use of voltage for power supply, the use of other voltage may cause fire and product damage2. Please allow some error due to manual measurement 1LONG SERVICE LIFE: PTC heater plate can work 7x24 hours non stop, continuously provide heat source life of more than 20,000 hours, suitable for use in humid environment. 2FAST HEAT GENERATION: PTC quickly converts electrical energy into heat after energized, and conducts to the surface of the aluminum case within 10S, which can dry burn for a long time. 3AUTOMATIC THERMOSTAT WORK: PTC heating element utilizes ceramic thermostatic heating technology to continuously output heat and automatically work at a constant temperature. 4FINE WORKMANSHIP: PTC thermostat heating plate uses polyimide film to wrap the chip inside, insulating and temperature resistant. Fine workmanship and good performance. 5SAFE TO USE: Constant temperature thermostat heater plate has no open flame, no redness, no toxic and harmful gas. Use voltage is 220V, lead length is 15cm.