The flame of a real candle can easily scorch the inside wall of the pumpkin, and it may topple in strong wind. Battery lights or LED candles are bright enough and have no open flame, making them the top choice for indoors and the porch; if you light a real candle outdoors, place it on a stable surface away from hay and fabric, and blow it out before going to bed
Safety and Etiquette
Can you use a real candle in a jack-o'-lantern?
Battery-powered lights are recommended for indoor settings and places with children or pets; use real candles only outdoors in a well-ventilated area with supervision
Short answer
Battery-powered lights are recommended for indoor settings and places with children or pets; use real candles only outdoors in a well-ventilated area with supervision