Usage:Indoor Display Type:Digital Theory:Temperature Controller Display:LCD display Sensor:NTC sensor Use for:Aquarium, Terrarium, Vivarium, Paludarium Style:Standing Station Display Size:4.0 - 6.9 Inches Sensor:NTC sensor Specifications: Color:Black Temperature Measuring Range:-50 - 90 Deg.C Control temperature range:-50 - 90 Deg.C (adjustable) Control temperature difference:0.3 - 10 Deg.C (adjustable) Resolution:0.1 Deg.C Accuracy:+ 1 /-1Deg.C (-50 - 70 Deg.C) Sensor error delay:1 minute Relay contact capacity (Heating):10A (max) 250 V Relay contact capacity (Cooling):10 A (max) 250 V Compressor delay protective time: 1 - 10 minutes (adjustable) Operating Temperature: 0 - 60 Deg.C Storage Temperature: -30 - 75 Deg.C Operating Relative Humidity: 20 - 85 % (No condensation) Alarm Output: Buzzer Power Supply: 110- 220V AC 10% , 50 / 60 Hz Power consumption: less than 3 W Cable length: 1 M Item dimensions: approx. 84*69*34 MM Net weight:138g Package includes: 1 x Mini-Temperature Controller