This thermostat has LCD digital screen, which is easy and convenient to read. This thermostat features high reliability and powerful interference suppression, which supports high-precision temperature measurement and control. It is constructed of ABS material. This thermostat has IP20 protection grade and retardant material, which is safe to use. This thermostat is suitable . Item Name: Thermostat Protection Grade/Shell Material: IP20/ Retardant PC Voltage: 2 x 1.5V Batteries (Not Included) Current Load: 3A Temperature Accuracy: 1 Celsius Temperature Setting: 5-90 Celsius Features: Mini, Wall Hanging, Smart Size Details: L: 8.5cm/3.35inch, W: 8.5cm/3.35inch, H: 2.8cm/1.1inch(.) color:Blue light (white shell) Material:plastic Package Contents: 1 x Temperature Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.