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.