The product is a 20 pack of 4 watt wedge base 12V Lamps light bulbs designed for landscape Malibu replacement. These light bulbs are specifically compatible with Malibu brand landscape lights and have a voltage of 12V. With a sensor type of light, these bulbs are ideal for illuminating outdoor spaces in a yard or garden. The Malibu brand ensures quality and compatibility with your existing outdoor lighting system.