Product Name: Digital Display Thermostat Product model: ZFX-7016K Control range: 1-999 ℃ Measurement error: 1 ℃ Sensor: K-type thermocouple Control accuracy: 1℃ Working voltage: 90v-250V Relay output: 30A Data storage: Yes Working temperature: 1-80℃ Opening size: 70x28mm Sensor: 1m colour: black Material: plastic Package Contents: 1 x Digital 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.