• Chart size: 3” (7.5 cm) diameter • Accuracy: ±4°F (±2.5°C) over full scale • Dual range: records in fahrenheit and celsius • Recording times: 24-hour or 7-day (switchable) • Instrument dimensions: 9.3 cm x 9.3 cm x 5.7 cm • Supplied with AA battery and pen. For tie-down cable, see 904-050-11 • Warranty: 1 year