This mini Temperature Controller is an excellent and convenient multifunction device for controlling temperature in Aquariums. The stability of aquarium temperature is one of the crucial factors that contributes to the health and safety of your fish. By utilizing the temperature controller, you can provide an environment with optimal temperature for your fish. This advanced temperature controller can measure and control temperature from -50 to 90 C.This device is also suitable for Laboratories use and other temperature-controlled systems. Features: Mini and light weight design Large and clear LCD display Wide Temperature Range (-50 ~ 90 C) Dual heating and cooling function Automatic over temperature Control temperature by setting the temperature set value and the different value Temperature Calibration Refrigerating control output delay protection Wiring diagram for installation included Specifications: Color:Black Applications:Aquarium, Terrarium, Vivarium, Paludarium ,Chicken Incubator Temperature Measuring Range: -50 ~ 90 C Control temperature range: -50 ~ 90 C (adjustable) Control temperature difference: 0.3 - 10 C (adjustable) Resolution: 0.1 C Accuracy: 1 C (-50 ~ 70 C) Sensor: NTC sensor Sensor error delay: 1 minute Relay contact capacity (Heating): 10A (max) 250 V Relay contact capacity (Cooling): 10 A (max) 250 V Compressor delay protection time: 1 ~ 10 minutes (adjustable) Operating Temperature: 0 ~ 60 C Storage Temperature: -30 ~ 75 C Operating Relative Humidity: 20 ~ 85 % (No condensation) Output : Buzzer Power Supply: 110~ 220V AC 10% , 50 / 60 Hz Power consumption: < 3 W Cable length: 1 M Item dimensions: approx. 84*74*34 MM Net weight:120g Weight:140g Package includes: 1 x Mini-Temperature Controller(with cable)