Usage Tips:Model: XH-W3001,Name: Temperature Controller Temperature measurement, display; refrigeration, heating control Temperature setting upper and lower limits Simple operation, suitable for seafood machines. Easy to install Specification: Measurement range: -55℃~120℃ Control range: -55℃~120℃ Measuring accuracy: plus or minus 0.2 Degrees Celsius Control precision: plus or minus 0.1 Degrees Celsius Measuring input: NTC10K L= 1 m waterproof probe Power: 1500W Input voltagr: 220V Current: Max 10A Size: 60 * 45 * 30 mm Package Contents: 3 x 220V LED Temperature Controller 3 x Thermostat Control Switch Probe 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.