Naulakha Infra Red Forehead Thermometer works on the principle that all objects with temperature higher than absolute zero reflect a certain amount of infrared radiation based on their own temperature. Users only need to point the probe head on the forehead and press the measurement button, and the body temperature can be measured quickly and accurately. | Uses: It is primarily used to measure the body temperature. | Product Specifications and Features: | Displayed Temperature Range: 32.0- 42.9 (Below 32.0 shows 'Lo', Above 42.9 shows 'Hi') Comes with a low battery indicator | Accuracy: 0.1 | Display Type: Backlight Liquid Crystal Display | Automatic Power Off: | Dimension: 136mm * 38mm * 33mm | Memory: 15 results record | Measuring Distance: 3cm-5cm | Power Supply: DC 3V (2* AAA) Batteries It has color description: 32.0- 37.4- Green, 37.5- 37.9- Orange, 38.0- 42.9- Red | Measuring Error: 35.0 - 42.0 : ± 0.2 32.0- 34.9 : ± 0.3 42.1- 42.9 : ± 0.3 | Operating Environment: 10.0 - 40 (50.0F - 104.0F) Rh ≤ 85% | Note: | Warranty: 1 year manufacturer warranty | Customer Care Mail: 011-45085556 | Customer Care Number: [email protected] | Directions For Use: Use as per requirement or as directed by the physician. | Safety Information: Immersion of the thermometer in any liquid is prohibited. Disassembly is prohibited Infrared thermometer shall not be used in sunlight or water Do not use in strong electromagnetic inference environment Read the label carefully before use Store in a cool dry place away from direct sunlight Keep out of reach of the children Avoid physical damage