Intelligent Temperature and Humidity Controller Model: DTC-3200 Power Supply Voltage: AC 110–230V Power Supply Frequency: 50/60Hz Temperature Measurement Range: -20°C to 60°C Humidity Measurement Range: 0% to 100% RH Measurement Accuracy: ±0.3°C / ±3% RH Output Control: Relay Output Features: - High-precision SHT20 sensor for accurate temperature and humidity measurement - Differential temperature control technology for stable performance - ABS flame-retardant housing design for enhanced safety and durability - Suitable for a wide range of applications including fish breeding, greenhouse planting, food preservation, incubators, and other temperature and humidity sensitive environments Package Includes: 1 x Temperature and Humidity Controller 1 x SHT20 Sensor