The Smart Bluetooth Transformers are considered to be the best-valued transformer in the industry. The easy-to-connect transformers are Bluetooth ready using our free app on your smart device. Featuring a built-in power meter, geographical location timer, and easy to use custom programming, there is no need for additional timers and photocells. This transformer is compliant with the newest energy regulations for both the US Department of Energy and the California Energy Commission. Proudly manufactured in the USA!