1、This temperature controller adopt intelligent PID control, possess high accuracy 2、Adopt simple detachable shell design, convenient for maintenance and installation 3、Flame-retardant shell, high-conductivity silver contact, safety and stability is the center 4、High-accuracy chip, SMT chip technology, possess high sensitivity, stable and reliable, bring accurate temperature measurement 5、Excellent plastic material, used for temperature detection, using self-tuning control Item Type: Temperature Controller Model: REX-C400FK02-MxDA Material: Plastic Purpose: Used to detect temperature Panel Size: Approx. 48 x 96mm / 1.9 x 3.8in Hole Size: Approx. 45 x 92mm / 1.8 x 3.6in Operating Voltage: 220VAC, 50Hz/60Hz Temperature Range: 1~999 (℃) Temperature Control Accuracy: 1.0 Control Method: PID control and self-tuning control Working Environment: 0-50℃, Relative Humidity: 30%~85%RH Input Method: K type Output Mode: Relay (RELAY) Installation Form: Buckle 1 x Temperature Controller 2 x Buckle 1 x User Manual