Specifications: Detachable double buckle is for quick and convenient installation. Clear and intuitive wiring diagram is for simple and easy to operate. Comes with a temperature probe, the wire length is 1.5 meters. Item Name: Temperature Controller Model: EW-181H Control Type: Temperature Control Mode: Intelligent Temperature Control Regulator Temperature Range: -45 to 80 Degree Celsius Temperature Measurement Error: ±1 Degree Celsius Material: ABS Installation Type: Buckle Working Voltage: 220V AC 50Hz/60Hz Power Consumption: ≤3W Control Range: -45 to 80 Degree Celsius Working Environment: -10 to 50 Degree Celsius, RH≤90% Output Load: 10A/220V/AC Resolution: 1 Degree Celsius Accuracy: ±1 Degree Celsius Features: with Digital Display, Intelligent, Durable Opening Hole Size: 7.2cm x 3cm/2.83" x 1.18" (Approx.) Size: 7.8cm x 3.4cm x 7.8cm/3.07" x 1.34" x 3.07" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Temperature Controller EW-181H 2 x Fixing Buckle 1 x 1.5m Probe