Power Supply:AC100-240V 50/60HZ; Temperature setting range: -50 ~ +999 ℃/°F; Input themocouple:(K,J,E,N)4 types of thermocouples input by customers selected at panel Usage in hearing or cooling control; Display:Two lines,Three digits in Celsius(℃) Fahrenheit (°F)(User can select it); Display resolution:1°C/1°F; Control precision: ± 0.5%FS; Control mode:PID,ON/OFF (On/Off Control when P=0) Output Output:One group control control output,It supports the following 2 ouput methods for users to use by themselves. (Relay contacts 3A @250VAC or Voltage impulse output 12VDC for external SSR) Contact capacity 250V AC 3A (resistive load); Alarm:One alarm,6 kinds of alarm mode:high deviation/low deviation/process value alarm; Power consumption≤10VA Ambition temperature:0-50°C,30-85%RH,no corrosive gas Panel name and its fuctions: PV:Measureed value/various parameter symbols SV: Set value/various parameter set values Out: output indicator lamp AT:PID automatic indicator lamp AL1:Alarm indicator lamp ▲:Increase numbers ▼: Decrease numbers ◀:Shift KEY MODE:Used for paramter calling up and set value registration Item size: (S type) 48 x 48mm Installation Hole Size: 45 x 45mm (S type) Material: plastic colour: Package Contents: 1 x Digital Pid Temperature Controller 1 x English manual Only the above package content, other products are not included. Note: Light reflection 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: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!