Feature: 1. 【Portable and Convenient】: Our stage fireworks base measures only 8 * 10 * 5cm/3.1 * 3.9 * 2-inch, making it compact and easy to carry. It comes with a portable square suitcase for convenient storage and transportation. 2. 【Safe and Eco-friendly】: Our electronic fireworks base is made of safe and non-toxic materials, ensuring a green and environmentally friendly experience. 3. 【Effortless Operation】: With four electronic fireworks bases, each requiring two AA batteries, our product eliminates the need for post-fireworks cleaning. It offers convenience, affordability, and durability. 4. 【Versatile Remote Control】: Equipped with two remote controllers, our base has an effective range of up to 100 meters. The single-button remote control allows you to ignite all the cold fireworks simultaneously, while the multi-button remote control enables you to selectively ignite one or more of them. You can easily control the ignition order based on the atmosphere of the event, creating a thrilling climax. 5. 【Perfect for Various Occasions】: Whether it's a birthday party, wedding, concert, or large-scale event, our cold fireworks display base can be used indoors or outdoors to create a captivating ambiance. Specification: Power Supply: 2 * AA batteries (batteries not included in this product) Remote Control Distance: About 100m/328ft Product Material: ABS Product Color: Black Single Product Size: 8 * 10 * 5cm/3.1 * 3.9 * 2inch Single Product Weight: 103g/3.6oz Package List: 4 * Base2 * Remote Control1 * Carrying Case1 * Instruction Manual