The app transmits messages as morse code and decodes received light signals into text. Users can switch to receive mode and tap the screen to see messages or switch to input mode, type text, and press transmit to send messages.
LED light provides adjustable brightness and auto power-off after 5 minutes of inactivity. Screen light offers instant-on with real brightness control and a red mode for astronomy.
Simulate sirens with 40+ real sounds from global emergency vehicles. Use 40+ full-screen flashing and signals for different scenarios. Includes turn signals, traffic bans, and countdown features. Supports iPhone and iPad. No subscription required.