Features RELAY CONTACT OUTPUT: The output mode is a relay contact output, stable and reliable, which you can use with confidence. QUICK CONTROL BALANCE: Diffuse theory combined with traditional PID method, fast control balance, advanced adjustment scheme. HIGH PRECISION: Possesses high precision, strong non-interference ability, great reliability, free input of multiple sensors. MEASURING RANGE OF 0-400℃: The input signal is a universal K-type thermocouple and the temperature measurement range is 0-400℃. LONG LIFESPAN: The working voltage is AC220V 50/60Hz, widely applicable, durable for long service life. Specification: Item Type: PID Temperature Controller Model No.: CH102FK02-MxAN Working voltage: AC220V 50/60Hz Temperature measurement range: 0-400℃ Output mode: relay contact output (RELAY) Input signal: Universal input, K-type thermocouple Package List: 1 x PID Temperature Controller Small Note: Please pay attention to the safety of electricity before use. Package List 1 x PID Temperature Controller