STC1000 Simple Display Thermostat: AC110-220V Product: temperature controller Product model: STC1000 Supply voltage: AC110~220V Temperature: -50~ + 99°C Temperature measurement accuracy: ±1°C (between -50~ +70°C) Line length: 1 meter Size: 75mm x 85mm x 34.5mm Applicable scene: various control boxes for sensors, heaters, freezers, fans (not limited to appliances) Panel instruction: Display instruction: Three-digit LED + minus digit + status indicator light (status indicator light (cooling, heating) + setting indicator light (adjustment)) type: temperature controller color: black Material: ABS Package contents: 1 x Temperature controller Only the above package content, other products are not included. Note: Light reflection and different screens may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.