"Features & Benefits: • Thermal Leak Detector - Helps identify issues with the insulation of your home • Identify both hot & cold draughts around your home • Light indicator shines blue to indicate cold draughts and red to indicate warm draughts • Set the sensitivity and measurement scale °C/°F • Allows you to make your home more comfortable and energy efficient
Specifications: Battery - 9v Alkaline Type of Detection - Thermal Depth of Detection - AC wire LED Display - Degrees C/F "