Product Description: STC-1000--24V Specifications: Designed for perfect fit. High quality 100% brand new. Features: Auto Switch the modes between cool and heat. Control temperature by setting the temperature setting value and the difference value. Temperature calibration. Refrigerating control output delay protection. Alarm when temperature exceeds temperature limit or when sensor error. Dimensions: Front Panel Size: 75(L)34.5(W) mm. Mounting Size: 71(L)29(W) mm. Product Size: 75(L)34.5(W)85(D) mm. Sensor Cable Length: Approx 2m in all. Specifications: Temperature measuring range: -50~99. Resolution: 0.1. Accuracy: 1 (-50~70). Sensor error delay: 1 minute. Power supply: 24V AC/DC. Power consumption: 3W. Sensor: NTC sensor (1Pcs). Relay contact capacity: Cool 10A/240VAC; Heat 10A/240VAC. Ambient temperature: 0~60. Storage temperature: -30~75. Relative humidity: 20%~85% (No condensate). Note: This model is 24V AC/DC model, pls check it STC-1000--12V Specifications: Front Panel Size: 75(L)34.5(W) mm. Mounting Size: 71(L)29(W) mm. Product Size: 75(L)34.5(W)85(D) mm. Sensor Cable Length: Approx 2m in all. Specifications: Temperature measuring range: -50~99. Resolution: 0.1. Accuracy: 1 (-50~70). Sensor error delay: 1 minute. Power supply: 12V AC/DC. Power consumption: 3W. Sensor: NTC sensor (1Pcs). Relay contact capacity: Cool 10A/240VAC; Heat 10A/240VAC. Ambient temperature: 0~60. Storage temperature: -30~75. Relative humidity: 20%~85% (No condensate). Note: This model is 12V AC/DC model, pls check it STC-1000--110-220V Specifications: Color:Black Applications:Aquarium, Terrarium, Vivarium, Paludarium ,Chicken Incubator 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 Deg.C (-50 - 70 Deg.C) Sensor: NTC sensor Sensor error delay: 1 minute Relay contact capacity (Heating): 10A (max) 240 V Relay contact capacity (Cooling): 10 A (max) 240 V Compressor delay protection 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: < 3 W Cable length: 1 M Item dimensions: approx. 84*69*34 MMNet weight:138g 1.5M Wire NTC Sensor Specifications: Measurement range: -50 to 110 C Length of wire: 1m Size of probe: 4 x 30 mm Output 2 wires Type: NTC 10k1% 3435