Klein Tools IR10 is a professional dual targeting laser infrared (IR) thermometer. It offers a wide measurement range, a tight 20:1 distance-to-spot ratio, dual targeting lasers, and several calculation modes to facilitate different temperature measurement applications. In addition to measuring temperature using IR emission, it can also measure temperature using a standard K-type probe. Type Dual-Laser Infrared Thermometer Overall Height 4.49" (11.4 cm)Material Plastic Housing, Electronic Compenents Overall Width 2.05" (5.2 cm) Range -40° to 1200° F (-40° to 650° C) Response Time <150ms Application Temperature Measurements Using IR Emission or K-Type Probe Weight 7.40 oz (210.0 g) Batteries 1 x 9V Special Features Dual Targeting Lasers, 20:1 Distance-to-Spot Ratio; Hi/Low Limits with Simultaneous Audible and Visual Alarms When Limits are Breached; Bright Backlit Display; Works with K-Type Probe Also Overall Length 7" (17.8 cm) Accuracy IR: 32° F and Above: +/- 3° F or +/- 1.5% (Whichever is Greater); Less Than 32° F: +/- (3.6° F + 0.2° F per Degree); K-Type: 32° F and Above: +/- 2° F or +/-% (Whichever is Greater); Above 32° F: +/- 3° or +/1% (Whichever is Greater) Display Digital Backlit Included Custom Pouch, K-Type Probe and Battery Style_Name 0.834027777777778 Degree Format F or C Distance to Spot 0.834027777777778 Audible Alert Y Calculations Min/Max/Difference/Average Display Resolution 0.1F (0.1 C) Auto Calibration N Standard EN 61326-1:2013, EN 608251:2014, 21 CFR 1040.10 and 1040.11, Class II Laser, CE Ingress Protection IP54 Drop Protection 3 m Battery Type Alkaline