Large 3.18 length x 2.5 width dual display can be read from across a room. Monitor humidity and temperature in labs. chemical storage areas. clean rooms. stock rooms. warehouses. factories. greenhouses. and outdoors. Recall min/max temperature and min/max humidity readings over any time period or have it automatically reset itself every 24 hours. Wall mounted or free standing. °C and °F selectable. Comes with 1 AAA battery which lasts a full year. N.I.S.T. traceable certificate of compliance available.

• 4.25 length x 4 width x 0.87 height.
• Temperature range: -58 to 158°F (-50 to 70°C).
• Temperature resolution: 0.1 °F/ °C.
• Temperature accuracy: ±2 °F (± 1 °C).
• Humidity range: 10 to 99%.
• Humidity resolution: 1%.
• Humidity accuracy: ±5%.
• Weights 5oz.
• Each.