1. Working conditions: 1.1. Power supply: 230VAC10% 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.