Product name: LED flat digital candle Product color: red, white, green, purple, pink, yellow Product Material: Plastic Product size: round size 3.7*4.5cm, heart-shaped size 4*4cm Product packaging: 24pcs/box Packing quantity: 960pcs/box Outer box size round: 48*32*52 heart-shaped: 50*34*53 Product weight: Heart-shaped box 263 grams, Round box 217 grams Power supply: Each comes with 2 AG10 button batteries. It's very bright for the first 3 hours, slightly dimmer after 3 hours, and can stay on for over 12 hours. The batteries can be replaced when used up. Switch: There's a switch at the bottom