Accurate Digital Thermostat Control: The professional waterproof temperature probe can sense the surrounding room temperature changes and the temperature controller accurately control the temperature range. Overheat Protection: 1500W Greenhouse Heater with Digital Thermostat. automatically shuts off when the device reaches the preset temperature, ensuring electrical safety. High-efficiency energy-saving outdoor heater suitable for greenhouses, grow tents, cattle barns, garages, and workshops. Fast Heating: This portable space heater can quickly heat up most small space areas in the range of about 175 square feet (depending on the insulation of the space). The greenhouse heater Allows you to adjust the heating rage from 40°F to plus 108°F (5° C to plus 43 ° C). Heating & Fan Modes: Our greenhouse heater has 2 modes output options as 25w fan mode and 1500w heat mode. This electric heater fan can be adjusted to different temperatures according to different needs. High Quality Service: We are committed to provide high quality products and better service to customers, and also glad to receive any suggestion about our products. If you have any questions about the products, please contact us at any time 1500W Greenhouse Heater with Digital Thermostat, Outdoor Heater with Overheat Protection and 3-Second Rapid Heating Function, Outdoor Heaters for Patio Garage, Greenhouse, Flower House