Industrial automatic wall-mounted or can bracket non-contact infrared thermometer with improved chip and sensor. The new wall-mounted thermometer does not need human to measure the temperature, only the product needs to be fixed, and the human body temperature is automatically measured at a distance of 1-5cm. Dual temperature mode, high temperature alarm, memory storage (50 groups of large-capacity memory), voice alarm, multi-language broadcast. It can be connected to USB power supply, mobile power, 18650 lithium batteries and 3x AAA lithium battery(not included). Great for office, , gym, malls, school, supermarket, home or any large gatherings. Specification: Material: ABS Color: White Measurement accuracy: 0.2 Operating temperature: 1042 (1535 recommended) Measuring range: 3443 (86.6109.4) Measuring distance: 1-5cm Response time: 1s Power supply: USB/3x AAA battery/18650 lithium battery (not included) Product size: approx. 10x6x15cm/ 3.94x2.36x5.9in Installation : Wall Hanging , Glue Stick , Bracket Fixation Package Includes: 1 Piece Wall Mounted Infrared Thermometer