The Rain Bird Plug In Class 2 Transformer 650mA 25.5V T20EI19A-35 is a reliable and efficient watering equipment accessory designed to power your watering timers and controllers. Made by the trusted brand Rain Bird, this transformer ensures a consistent and stable power supply for your outdoor watering needs. While the missing cover may present a small inconvenience, the product itself is a high-quality essential for maintaining a well-watered garden or yard.