DGQ 3" Twin Bell Alarm Super Silent Metal Classic Retro Style Clock Glow-in-The-Dark Hands & Large Display Number Desk Clock,Great for Heavy Sleepers and Treval DGQ Super quiet concise design alarm clock, give you a silent sleep time. It's perfect for your desk, bedside, and very portable for camping or traveling Super loud bell rings for heavy sleepers, no snooze button, wellmade wake up clock for people who has trouble waking up. Nightlight & Glow-in-the-dark Hands and Numbers design, press the light button, time will be clearly visible at night. Luminous hands & numbers stay visible a while after the lights are turned off at night for night viewing. Classic retro style design with high quality stainless metal, large display number,even for people with limited vision capabilities. Power Supply: Runs on one AA battery (Not Included).NOTE: It is recommended to use carbon batteries.