Not very serious ... We control 16 candles, one in Book 20, good. By cons, just batteries already inserted in candles. So, 20 batteries, no 32 ... All tested candles, on 20, 4 do not work (batteries changed). In the end, I have 16 candles (that work), and 20 batteries! False or deceptive advertisement? The price is real to him: o)