Easy to install and highly effective heater kit helps protective essential electronic units that must be installed in low temperature areas, indoors or outdoors. The 12-volt system (STI-6580) incorporates a 12-volt transformer and is rated at 25 watts. It includes a foil heater pad with adhesive backing and a thermostat. The model helps keep LCD’s from becoming sluggish and helps it stay visible. The Heater Kit operates in conjunction with enclosures such as the STI Stopper II and Universal Stopper to protect and help expensive electronic components remain operable in low temperature areas.