FlashSign-LED Scrolling Banner

【Tagline】
FlashSign turns your iPhone into a scrolling LED banner with screen flash, torch, and music-synced light effects—perfect for concerts, sports, and any live event.

【Key Features】
• Scrolling text: Custom message, adjustable font size and scroll speed; portrait or landscape
• Full color control: Text, background, flash, and highlight colors with handy presets
• Light effects: Steady, breathing, rhythm flash, gradient, and flowing modes
• Dual flash: Screen flash and device torch—use either or both
• Music rhythm sync: Microphone detects the beat so lights pulse with the music (processed on device only; no audio uploaded)
• Live preview: See your sign before going full screen with one tap

【Perfect For】
• Concerts, festivals, and fan meetups
• Sports and esports cheering
• School events, parties, and celebrations
• Creative signs for stalls, proposals, birthdays, and more

【How to Use】

Enter your message
Adjust size, speed, colors, and light effects
Tap Start Display and hold up your phone
【Permissions】
• Camera: Required to control the device torch
• Microphone: Used for music rhythm detection for rhythm flash mode

【Contact】
Developer: Chengdu Time Cyber Technology Co., Ltd.
Email: ganyizhi@timecyber.com.cn

Thank you for using FlashSign—shine bright at every event.