This is a digital LED alarm clock powerd by batteries AA only, which comes with normal volume alarm and 110 db extra loud alarm for heavy sleeper. The clock can keep the 1.2'' LED time display up to 1 year by 4 pcs AA alkaline batteries (Duracell brand) . Item size: 140x 90x 60mm(Display size:105x 39mm) NOTE: Although this clock is good for heave sleeper but maybe not so good for elder,the reason is the alarm sound of this clock is drive by a buzzer but not a speaker,which mean it is high frequency,Usually the elder is not so sensitive with it,so we not recommend this clock for elder. Welcome and thanks for any honest review which will help us to develop and offer you even better product in future. Kwanwa: Customers' satisfaction is our priority. We offer products with premium quality and fair price. If there is any problem or advice, please do not hesitate to contact us. Kwanwa Warranty: Money back in three month for no reasons: One year guarantee of quality: If there is any problem of quality, please contact amazon or us from amazon for a replacement or full refund.
Kwanwa Battery Operated / Powered Only 110 db Extra Loud Alarm Clock For Heavy Sleepers with Big 1.2'' Red LED Time Display - B01MU85U13