The wall mounted infrared thermometer alarm bell immediately inform you about the failed detection or abnormal temperature. Temperature displays are available in Celsius. One week standby mode available. Saving energy when not in use. This battery can be charged with the included micro USB cable. High-resolution display, 5 meters viewing distance. The wall-mounted body thermometer is suitable for all ages, from infants to children and elders. This wall thermometer is perfect for multi-employee shops, supermarkets, bars, restaurants and other large and small business areas. Digital screen display, accuracy +/- 0.2 degrees, respose time – 0.5 sec, measuring distance – 5 to 10 cm, infrared measuring range – 0-50 deg., stand by time – about a week.