Power supply:230VAC10% ;50/60Hz Rated current of the relays(refrigeration ,defrost and fan):8A/220VAC Use temperature:-5C-55C Relative humidity:10%-90%RH (not condensing) Storage temperature:-30C-85C Input: sensor Sensor lenth:2M(include the probe) : Temperature Controller Display Type: DIGITAL Usage: Household Power Type: Charger Style: Standing and Wall Hanging Display Size: 1.9 Inches & Under color:Black Material:plastic size:77 x 34.5 x 58mm Package Contents: 1 x ETC-974 Digital Temperature Controller Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.