Desk Clock Glass Mirror Luminous Function LED Display Perpetual Calendar Clock for Home OfficeEU Plug Item Type: Bedside Clock Material: Glass + Aluminum Alloy + Density Board Product Size: Approx.20x10x3cm/7.9x3.9x1.2in Weight: Approx.420g/14.8oz Battery Parameters: 2032 Lithium Battery, 200Mah (Built in) Product Category: Wall Clock Display Type: Number Display Type: LED Applicable Places: Living Room, Bedroom, Study Room, Office, Kitchen Special Function: Luminous 24 Hours Indication Mirror Material: Ordinary Glass Mirror Clock Accuracy: Less Than or Equal to Plus or Minus 3 Seconds/Month