Heating: home heating, pet breeding, greenhouse planting, incubator, etc. Refrigeration: Refrigerators, supermarket preservation, air conditioning, etc. Smart: WiFi connection, remote control via smartphone or tablet. Safety: ABS flame retardant material shell has passed multiple safety tests, making it and more reliable. Constant temperature mode: 2 outputs (can be connected to cooling equipment and heating equipment at same time). Can recognize working mode Specifications: Name: smart WiFi temperature controller Model: -1201 Power supply voltage: AC110 ~ 230V Temperature range: -40 ~ + 99 Measurement accuracy: +/- 1C (-40 ~ + 70) Detection line length: 100cm Temperature control size: 93 x 56 x 34mm Output capacity: 10A ~ 250VAC Product Weight: 91g Sensor: Sensor (Accuracy: +/- 0.1) colour: black + white Material: ABS Package Contents: 1 x -1201 WIFI Thermostat 1 x Sensor 1 x English Manual Only above package content, other products are not included. Note: Light and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.