【5" LARGE SCREEN & 6 ADJUSTABLE BRIGHTNESS】5" arc-shape display provides you with better viewing experience. You can clearly see the time from multi-angle without glasses. The adjustable dimmer permits you to regulate the brightness amongst the lowest light, low light, medium light, high light, the highest light and off according to your personal preference. 【9 MIN SNOOZE FUNCTION】During the wake-up sound playing, just gently touch the snooze button for a 9 minute delay of your alarm and enjoy the last minutes of your dreams. 【3 ALARM SOUND AND 2-LEVEL VOLUME】Unlike noisy bells usually bring a messy morning, this gentle clock will wake you up with nature's melodies including sounds of birds, wave or chord ringtone. The alarm beeps can be set at low (65dB) or high volume(75dB), ensuring a pleasant and fresh day. 【EXTREMELY SIMPLE TO OPERATE】Worry free of complex settings and buttons, this basic clock features absolute simplicity. You can adjust time within 30 seconds and complete all the settings in 1 minute. The big and obvious button allows faster controls, perfect for kids and the elderly. 【POWERED BY USB】It can be easily powered by standard USB port. The built-in CR2032 button cell （inside & invisible）can ONLY ensures clock time and alarm settings during a sudden power outage. ☆RISK-FREE PURCHASE☆ Every TopElek alarm clock will offer a 45-day refund and 18-month warranty!