Hw600 Infrared Thermometer with Intelligent Sensor is used safely and quickly to measure the non-contact temperature on the surface of an object. The most basic design is an infrared perspective (IR) energy detector, which converts energy into a characteristic. Voltage displayed in units of temperature after the ambient temperature change is offset  Note: This product is not suitable for measuring body surface, forehead and infant temperature.  Temperature range: 50 degree C to 600 degree C (-58-1112 degree F)  Accuracy (23 C 3 C) - 50 C (- 58 F) at 100 C (- 212 C) + 2 C (- 32 C); Before (+2 C) or (+2%), any greater than or equal to (+2%)  Adjustable 0.10-1.00  Distance point size 12:1  Spectral Response 8-14 Um and 500 UXO  Data retention function: Yes  Indicator Hot Spot Location Yes  Power supply: 3V 3AAA*2 alkaline battery  1 Unit H600 Infrared Thermometer Content  Chart description:  One Start button/step:  When the LCD screen opens, the temperature is measured by scanning.  If there is no keyboard, the read status is displayed using the retained icon.  The operation unit will be automatically closed within 20 seconds.  Three Temperature Unit Selection Key (C/F)  Style: Handheld  Display Size: 1.9 Inches and Under  Display Type: Digital  Max Measuring Temperature: 120°C and Above  Model Number: GM550E  Usage: Industrial  Theory: Infrared Thermometer  Power Type: 9V battery(Not included)  Item: non-contact IR infrared temperature  Type: infrared thermometer  Temperature range: -50~550degree(-58~1022Fdegree)  LCD backlight display: Yes  Auto power off and data hold: Yes  Object distance to spot size: 12:1  Resolution: 0.1C/F  Repeatability: +-1% of reading or 1 degree  Response time: 500 ms, 95% response  Spectral response: 8-14um  Size: 140*70*27mm  Color: Yellow and black  Material: plastic  Package Contents:  1 * Temperature pyrometer  1 * English manual  this product is not suitable for measuring temperature of body surface,Forehead,Baby   Only the above package content, other products are not included.  Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.