Although this product is new and unused, it has been stored at home by a non-professional, so please refrain from purchasing if you are sensitive to such matters. Functions: Dual alarm, snooze function, wireless charging, 4-level LCD brightness adjustment (strong, medium, weak, off), bedside light (luminous flux 180LM, power 0.66W), 4-level bedside light brightness adjustment (strong, medium, weak, off), 12/24 hour display Power supply: AC adapter, CR2032 coin-type lithium battery x 1 (for backup) - cannot be used with battery power alone Notes: Compatible with smartphones that support 5W Qi charging. Charging may not be possible if a smartphone case is attached, depending on the material and thickness (3mm or more). Although this product complies with the Qi standard, compatibility with all Qi-enabled devices is not guaranteed. Please be sure to check before purchasing. This product requires batteries.