Probe Range:-58 to 302°F (-50 to 150°C).Input:PTC thermistor (1000Ω @ 25°C).Output:16 A SPDT relay @ 250 VAC resistive 5 A inductive.Horsepower Rating (HP):1 HP.Control Type:On/off.Power Requirements:115 VAC, 230 VAC, 12 VAC/VDC, or 24 VAC/VDC.Accuracy:±1% FS.Display:3-digit, red, 1/2″ digits.Resolution:1°.Memory Backup:Nonvolatile memory.Temperature Limits:Ambient: 32 to 158°F (0 to 70°C).Storage Temperature:-4 to 176°F (-20 to 80°C).Weight:2.3 oz (65 g).Front Panel Rating:IP64.Agency Approvals:CE, cURus.