The "LED Candle That Doesn't Use Fire, Automatic Shut-Off" sold by Aimedia. This is a battery-operated electronic candle that can be used safely in Buddhist altars and Shinto shrines without the worry of fire. Main Features and Specifications: Automatic Shut-Off Function: Automatically turns off about 10 minutes after lighting, so you don't have to worry about forgetting to turn it off. Safety Design: Uses an LED light source that doesn't use fire, so it's safe even if it falls over, and it doesn't produce smoke or ash. Power Source: Uses 2 AAA alkaline batteries. Battery Life: Continuous lighting time is about 85 hours, and with use once a day (10 minutes), it can be used for about a year. Size: Compact mini size, about 4.8cm in diameter and 12.1cm in height. Thank you for viewing.