Mounting:Panel mount, cut-out size: 67 x 67 mm Power Supply:AC88-253V, Less than 5W, standby Less than 1W Display Type:4-digit LED display Display Resolution:0.1°C Buttons:Tactile membrane keys Sensor Input:1x 230K thermistor (B=4537) Measurement Range:20.0°C to 150.0°C Control Range:0°C to 120°C Output:Relay output, max 5A, supports ≤100W resistive load Storage Conditions:40°C to 70°C, 5%-95% RH (non-condensing) Operating Conditions:20°C to 70°C, 10%-90% RH (non-condensing) Accuracy:±1% within -20°C to 150°C range Sensor Cable Extension:Supports extension up to 100 meters Memory Function:EEPROM power-off memory retention Color: Black Material: ABS Package Contents: 1 x Four-Digit Temperature Controller 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.