1High sensitivity photosensitive probe: stable signal and high precision. 2Wide measuring range, good linearity and waterproof performance. 3Made from high quality abs material, which is durable and long lasting. 4High reliability and beautiful structure, long transmission distance, conveneint to use. 5Easy installation and use, strong anti-interference ability. widely used in agricultural greenhouses, flower cultivation and other occasions requiring temperature and humidity monitoring.Features: 1. High sensitivity photosensitive probe: stable signal and high precision. Wide measuring range, good linearity and waterproofperformance. 2. 3 in 1 functions design: illuminance+temperature+humidity. 3. Made from high quality abs material, which is durable and long lasting. 4. High reliability and beautiful structure, long transmission distance, conveneint to use. 5. Easy installation and use, strong anti-interference ability. widely used in agricultural greenhouses, flower cultivation and otheroccasions requiring temperature and humidity monitoring. Specification: Condition:100% Color: As Pictures Shown Dc power supply (default): 12-24vdc Maximum power consumption (RS485 output):Light intensity accuracy: 59%(25C) The range of illumination intensity: 0-65535lux Long-term stability (light intensity): 5%/y Output signal RS485 output (Modbus protocol) Accuracy: + / - 3% RH humidity (0% RH to 100% RH, 25 C Temperature accuracy: + / - 0.5 C (25 C Humidity range: 0%RH-100%RH temperature range: 40 c to 80 c Temperature stability 0.1 C/y Long term stability of humidity 1%/y input voltage power: 12~24V Diameter: approx.9.5cm/3.7in Package list: 1 * Temperature Humidity Transmitter