1. Working conditions: 1.1. Power supply: 230VAC±10% 50/60Hz 1.2. Rated current of relay: 10A/220VAC 1.3. Ambient temperature: -15℃~60℃ Relative humidity: 20%~85% (no condensation) 1.4. Storage temperature: -15℃~60℃ Specifications: 2.1. Product: length 77x width 34.5xdepth 58 (mm) 2.2. Installation dimensions: length 71x width 29 (mm) 2.3. Sensor line length: 2M (including sensor) 3. Technical parameters: 3.1. Temperature control range: -50℃~99℃ 3.2. Display resolution: 1℃/0.1℃ (with integer/decimal switching mode) 3.3. Accuracy: : ±0.5℃ (-30℃-50℃), others, ±1℃ PTC: ±2℃ (-30℃-50℃), others, ±3℃ 3.4. Sensor type: (-50℃~120℃) PTC (-50℃~150℃) Material: ABS Color: As shown 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.