This unit is equipped with laser pointer for accurate target aiming
One-handed design for simple and convenient operation
LED back light design for operation under poor illumination/Supports MAX / MIN / AVG / DIF reading
With data store recall function and data hold function/Supports high / low temperature alarm setup
°C / °F selection and laser traget pointer ON /OFF selection/Auto power shut off
Easy to use to find cold spots and drafts in your home and allow you to make your insulation work better.
More Heat loss detectors at Amazon. Several to pick from for different budgets.