ZHPUAT [Upgrade Version] 4.6" Smart Backlight Alarm Clock with Dimmer (Brown) Simple Dual alarm: Easy for Snooze, Alarm on and off. Dual alarms, Double Insurance to make sure you are getting up on time. Soft Colorful Display: Protect your Eyes and Make your Taste Different. Dual USB Ports: To charge smart phones and other USB-charged devices faster and better, please use Their Original Matching Adapters to connect the alarm clock. Convenient: Both Batteries and Power Cord Operated (NOTE:Just USB Cord, No Adapter), Easy to Move or Just Stay on Your Desk. Full-satisfaction guarantee! If you are unhappy with this clock for any reason, contact us within 90 days for a full refund or replacement. There's also a 365 day quality guarantee against defective parts.