The Klein Tools TI290 Is A High Resolution, Wi-Fi Enabled, Professional Model Usb Rechargeable Thermal Imager. The Large LCD Displays Unseen Hot and Cold Spots For Instant Troubleshooting. Excellent Resolution With Over 49, 000 Pixels and Your Choice Of Three Color Palettes. The Meter Provides High and Low Temperature Points, Crosshairs to Pinpoint Specific Temperatures, and Options For Temperature Alarms. App Is Available For Free In Google Play™ Store and In The App Store.