LONG BATTERY LIFE:Each LED wedding crystal candle use button cell which is very efficient and easy to buy online or from local store.Batteries Included . Realistic Wedding Crystal Candle Value Bag:PACKAGE INCLUDE 4 LED Flameless Candle. Batteries are included and installed. On/Off sliding switch makes it easy to use.Each led wedding candles measures at 15.5*6.5cm/6.1*2.6 in. CREATE AMBIENCE:Use Plastic materials to make crystal LED candles, which present a gorgeous aperture effect on the desktop.Flameless Candles to createa romantic and elegant space, perfect for decorating weddings, parties, gardens, restaurants, lanterns, kids projects, centerpieces ,valentine's day decorationHalloween Decoration,Diwali Decoration,Easter decoration, Various holiday decorationsetc.Prayer candle,Mother's day gift,Easter party. SAFE & NO FIRE RISK,NO HASSLE & NO FLAMESS:The battery wedding candles can be used inHalloween Decorations, Halloween Party, Tabletop, Mantle, and more bedrooms, lounges, dens, bathrooms, etc. Absolutely no flameless; no dripping wax, no smoke, no matches.