Made of imported rubber silicone, excellent heat source, evener heating across the whole surface. With double-sided tape at he back, which can make the silicone heating piece firmly adhere to the object to be added. The silicone heater is mainly composed of a nickel-chromium alloy electric heating wire and a glass fiber reinforced silicone rubber insulation cloth. Features fast heating, uniform temperature, high thermal efficiency, high strength, long service life. Convenient to use, not easy to aging, and can bend and deform the surface of the object, so that the heat can be evenly transmitted to each part. Equipped with NTC 100K thermistor ( Beta 25/50 3950K-1%) as temperature control sensor which is supported directly by firmware. Wonderful silicone heater for your 3D printer build plate heating upgrade, with fast and even heating. Specification: Size: 330x330x3mm/13x13x0.12inches Weight:290g Voltage: 220v Power: 750W Package Includes: 1Piece Silicone Heater Note: 1. The silicone mat's temperature will heats up quickly, please take anti-scalding measures! 2. Please allow slight manual measurement deviation for the data.