Temperature control range: -50~110'C; Resolution: 0.1'C @-9.9~99.9'C 1'C @ other temperature; Temperature measurement accuracy: 0.1'C; Control accuracy: 0.1'C; Hysteresis accuracy: 0.1'C - Refresh rate: 0.5s; Input power: Input 220V Output Relays; Measurement input: NTC (10K 0.5%); waterproof sensor; Output: 1-CH relay output capacity=10A; Working temperature: -10~60'C; Humidity 20%~85%; Size: 78 x 51mm (M3 mounting hole 75mm opposite angle); Power consumption: Static current: < = 35mA; Pick up current < = 65mA; Built-in ARM chipset; Auto power off memory function - Button buzzer (can be turn off); High temperature buzzer alarm (0~110'C settable)