Light up the dark with this miniature lantern. Remember to turn off the light when your friends go to bed. The product is delivered without a battery. You can add a et coin cell battery (CR1632). The box contains an Allen key for opening. Dimensions: H: 7 x W: 2 x D: 2 cm. Material: metal Maileg size:: MOUSE FURNITURE Cleaning: Wipe with a soft, possibly hard-wrung cloth