MATERIAL: Our Halloween flickering flameless candles made by real wax with LED flickering, Castle, Witch and Bats decal adds festival atmosphere in your room, great gifts for friends and kids Wave-Shaped LED Flameless Candles Size: D3" x H6" As made by real wax, please do not exposed flickering candles direct to sunlight or near by high temperature which may cause melting or deforming BATTERY OPERATED: Each led pillar candle require 3 AAA batteries(Not Included) on bottom. No smoke or dripping worries, no fire danger, safety use for family members, kids and pets SLIDE SWITCH & TIMER: 3-way slide switch on bottom(ON/TIMER/OFF), slide to timer mode flameless candles flickering will light on for 6 hours and off for 18 hours, automatically cycle every 24 hours SATISFACTION GUARANTEE: Each candle is thoroughly tested before leaving the factory, if any problems occurs to our products, please kindly contact our customer support for primary service