Illuminate your space with our mini question block light, not only enjoying a warm and nostalgic glow but also experiencing the iconic game coin sound effects with a simple switch(sound effects can be turned off).— Materials: Plastic— Power Source: Battery— Voltage: 3.7— Bulb Type: LED— Measurements: 4.5"L x 4.5"W x 4.5"H— Wattage: 0.55— Color Temperature: 3000 k— Bulb Lifetime: 20000— Product Weight: 0.3— Voltage: 3.7 V— Watt: 0.55 W— Push down to turn ON/OFF