VOLTRAC Battery vs Portable Light Meter

The smart battery pack has a built-in remote bluetooth module, which connects to the mobile phone via bluetooth to the app, and the app can read the following information: 1. The working status of the battery pack: charging point, discharging, working voltage, current, temperature, remaining power, etc.; 2. Hardware short-circuit and delay, equalized turn-on voltage; 3. Temperature unit switching, and an introduction to the company; 4. Smart battery distribution network; 5. Battery charge control;

This is an app designed for photographers and photography enthusiasts— a portable light meter application. It helps you measure exposure for time-lapse photography and film photography, and even supports ND filters in aperture priority mode. The app supports both aperture priority and shutter priority modes, exposure lock, saving and recording current metering data, and switching between front and rear cameras for metering. Additionally, it also supports measuring color temperature and EV values.