Feature:1. Better Heating: The aluminum alloy and silicone rubber are combined, and the interior is made of flat and ultra thin, electric heating wire.2. Stable Working: Works stably under the rated voltage AC 220V, the silicone rubber heating pad ensures quick and even heating.3. For Cold Winter: -60 ~ 250 temperature resistance, making the heating mat not afraid of high temperature and cold environment.4. Practical Using: Can be used for heating and dehumidifying various cabinets, such as switch cabinet, communication cabinet, lighting cabinet, anti condensation box, chassis, etc.5. Easy to Install: The appearance is simple, the size is small, the use is fast, and the installation is very convenient as well.Specification:Item Type: Silicone Rubber Heating PadRated Voltage: AC220VRelative Humidity: 95% RHDielectric Strength: 2000V/minInsulation Resistance: >50MQInsulation Silicone Rubber Temperature Resistance: - 60 ~ 250. .Package List:1 xSilicone Rubber Heating Pad