Elitech UEK3021 Digital Touch Button Temperature Controller, Thermostat with Cooling and Defrost, Two Sensors Probes

【Multi‑Safety Alarm & High‑Precision Temperature Monitoring】 Wide measuring range:‑40℃ to 99℃, control range‑40℃ to 85℃. Comes with over‑temperature alarm and sensor failure alarm to protect your cold‑storage or freezer equipment; supports manual temperature calibration for accurate readings in real‑world working conditions.220VAC±10% power supply, compatible with UK mains power. 【Dual‑Probe Dual‑Relay Control for Cooling & Defrost】 Equipped with two independent 2-meter-long probe sensors for cabinet temperature and evaporator defrost monitoring; dual relay outputs support refrigeration and defrost functions. Features power‑off memory to resume defrost cycles after unexpected power cuts, keeping your refrigeration system stable and efficient. 【Responsive Touch‑Key Operation with Key‑Lock Protection】 Adopts sensitive capacitive touch keys for quick parameter setup; built‑in key‑lock function prevents accidental mis‑operation and unwanted parameter changes. Supports one‑click factory reset for fast troubleshooting and parameter restoration. 【Reliable and Safe Design】Built with a flame-retardant ABS housing (V0 level) and certified electromagnetic interference (EMI) protection, ensuring durability and stable operation in demanding environments. 【Adjustable Parameters and Alarm Function】 Features visual and audible alarms for temperature exceedance or sensor failure, keeping your equipment safe with real-time alerts.