Aquarium Temperature ControllerTagsTest & MeasurementMicrocomputer Temperature ControllerPRODUCTS58HC011Aquarium Temperature Controller Accuracy:-10℃~+50℃,±1℃/2℉ 58HC011ADD +REMOVE58HC021Aquarium Temperature Controller Accuracy:-10℃~+50℃;±1℃/2℉ 58HC021ADD +REMOVE