The Presentation Timer vs M4BeaconConfig

We stripped away unnecessary elements and focused on simplicity, beauty, and ease of use. Main functions ● Equipped with two modes : Stopwatch / Timer When you want to know how long it will actually take to practice your presentation, use the Stopwatch mode. And use a timer to measure the time of the actual presentation. ● Full screen display to support the presenter When you want to inform the presenter of the remaining time from the audience during the presentation, you can turn your iPhone or iPad screen sideways to maximize the time display. ● "Auto Bell" function that automatically rings the bell at the specified time When you want to ring the bell few minutes before the end of the presentation, you can ring the bell automatically with this function. Also, you can set the bell sound as you like.

M4 Beacon Config is the official configuration tool for Holden International M4 IB-A series BLE beacons, including the IB-A300, IB-A600, IB-A700, and IB-A800 models. Supports both M4 Line Simple Beacon and M4 Security Beacon firmware. The app automatically detects which parameters are available on each connected device and shows only the relevant controls. KEY FEATURES • Scan and connect to M4 IB-A series beacons via Bluetooth Low Energy (BLE) • Read and write all GATT configuration parameters • Configure UUID, Major/Minor, RSSI Calibration, Manufacturer ID, Advertising Interval, TX Power, and LED • Access Hardware ID (HWID), Inventory ID, and Device Message (Line Simple Beacon firmware only) • Automatic GATT attribute detection — fields shown only when supported by the connected device • Traditional Chinese (繁體中文) language support • No internet connection required during configuration SUPPORTED DEVICES • IB-A300 — Compact beacon, battery or Micro-USB power • IB-A600 — Waterproof sealed beacon, ER14505 battery • IB-A700 — USB-C powered beacon • IB-A800 — Advanced sensor beacon with built-in buzzer and temperature/humidity sensor (Gainta G519B enclosure) HOW TO USE 1. Place the beacon in configuration mode by pressing its button or power cycling. 2. Open the app and tap Scan Beacon to find nearby M4 beacons. 3. Tap a beacon to connect. The app reads all current settings automatically. 4. Tap any parameter to edit and write the new value. 5. Disconnect — the beacon immediately broadcasts with the new settings. For technical documentation and firmware information, visit www.m4grid.com.