Portable Travel Clock TCL 250 with automatic time -setting and built-in vibration alert. Battery powered combined alarm and vibration feature for people with hearing difficulties. Large 1.15 / 2.9 cm digits with blue backlight, 2 dimming levels + OFF. Extra loud alarm with 3 level settings. Snooze function – sleep timer. Buzzer with 3 different frequencies. Ultra bright alarm light. Automatic time setting. Switchable time display: 24 hours or 12 hours. Travel carry pouch and lanyard with clamp to attach to a pillow.