1. Introduction The IVL2-7/5 is a desktop clock built around an original Soviet-era vacuum fluorescent tube, housed in a full CNC-machined aluminum enclosure. Four physical buttons give direct control over time, alarms, brightness, and lighting effects. High-precision RX8025T clock chip 4 programmable alarms Countdown timer and continuous timer Adjustable VFD brightness and backlight 12/24-hour format with AM/PM indicator USB-C powered 2. Specifications Time Format: 12/24-hour — AM/PM shown in 12-hour mode only Alarms: 4 programmable alarms Countdown Timer: 59:59 → 0:00 Power: USB-C 5V 3. Button Functions Long-press any button...
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