Measures Surface Temperatures (degrees F or degrees C) without Direct Contact Single Button Operation Continuous Update LCD Backlight Includes Batteries Removable Lanyard Soft Carrying Case Dimensions: Receiver: 4quot; x 2.2quot; x 0.75quot; Measures Temperatures from negative 5 degrees F to plus 572 degrees F Easy to Toggle Between degrees F and degrees C (Double-Click) Continuous Update of Temperature While Button is Held Stores MIN MAX Values During Measurement Stores The Last Value Measured for 20 Seconds After Button is Released LCD Backlight During Measurement (Auto-Off Function) Fits in the Palm of Hand