Wall / tripod infrared thermometer GP-100 Contactless, no need to touch it, avoid cross infection. Using a new chip, the measurement time is faster (500 ms); the measurement speed per minute is significantly improved (50 people / min). High temperature measurement accuracy, precision tolerance: +/- 0.2 (34 ~ 45 degrees C) With abnormal temperature warning. Can be linked to a wing source USB ment (DC 5V), power bank, or you can use 4 AAA batteries High definition display with viewing distance of 5m. Intelligent infrared forehead thermometer, no need to hold it, can be hung with double sided tape (included ) or it can be screwed to a tripod   Features Measurement method: no forehead contact, infrared Unit of measure: degrees F and C (Fehrenheit and celsius) Accuracy tolerance: +/- 0.2 (34 ~ 45 degrees C) Alarm au tomatic for abnormal temperature: flashing red light, continuous alarm sound Distance: 5 ~ 10cm Built-in lithium battery: 2600 mAH (48 hours of work) Placement: hanging / double-sided tape / fixed bracket Display: digital display Measurement temperature: 0 ~ 80 degrees C Ambient temperature: 5 ~ 45 degrees C Response time: 500 ms Work wave: 5 microns Standby: 5 sec  Certification: CE ROHS FCC