Penlight.

Key Features:
- Digital Penlight: Adjustable brightness slider for precise illumination
- Easy Calibration: Quickly calibrate with a credit card to for accurate measurements
- Color Inversion: Easily switch between light and dark modes for different examination needs
- Ruler: Metric and imperial ruler for quick measurements

Disclaimer: This app is intended for educational purposes only. It is not to be used for the diagnosis or treatment of any medical condition.

All application data and information was acquired from Apple's public RSS Feeds.