STC1000 single display thermostat: AC110-220V Product Name: Temperature Controller Product model: STC1000 Supply : AC110~220V Temperature range: -50~ + 99C Temperature measurement accuracy: 1 C (within -50~ + 70 C) Line length: 1 meter Size: 75mm x 85mm x 34.5mm Applicable scene: various sensor control boxes, , freezer cabinets, fans (not limited to these devices) Panel instruction: Display instruction:Three-digit LED + digit + Status indicator light(Status indicator light(Cool,Heat)+Set indicator light(Set)) 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 displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.