This KSD301 thermostat is used either as temperature control and safety limit for household electric appliances and widely applicable for coffee maker, water heater, immersion heaters, electric cookers, icrowave ovens, automatic toasters, etc.                                                             fast in action, Moderate price,temperature tolerance:±5℃,±3℃,±2℃，open temp range:-10℃-250℃,longer working life