Has an invaluable ice alert facility
This superb little digital thermometer wirelessly records indoor and outdoor temperatures, and has an invaluable ice alert facility (a flashing LED) which tells you when it gets frosty, so you'll know exactly when to turn up the greenhouse heater and save plants from frost bite! It has a magnetic back and can be counter or wall mounted. Comes complete with batteries for base unit and remote sensor. Main unit: 8.7cm (3¼") high x 6.8cm (2½") wide x 2.5cm (1") deep. Sensor: 9.5cm (3½") high x 5cm (2") wide x 2.7cm (1") deep. Sensor range of up to 30m (100'), obstacles will reduce range slightly.