Winland s remote probes are available in high and low temp ranges as well as stainless steel or waterproof options. This Low Temp model senses temperatures between -58 and 158 degrees F. Winland temperature sensors can accommodate many applications: coolers and freezers computer rooms and computer equipment cell tower sites residential and vacation homes etc. SPECS: Fully submersible waterproof construction. Probe accuracy: +/-0.5 degrees C. Sensing range: -58 to 158 degrees F (-50 to 70 degrees C). Probe Length: 1.16 inches (29.46 mm). Probe Diameter: 0.3 inches (7.62 mm). Cable Lead: 38 inches (0.96 m). Compatible Accessory For: EnviroAlert EA200-12 EnviroAlert EA200-24 EnviroAlert EA400-12 EnviroAlert EA400-24 EnviroAlert EA800 EnviroAlert EA800-ip EA-WMFS.