This application is developed by a company which has its headquarter in the city of Hong Kong. The company was founded in 2012 and has its main office in the Hong Kong. The company was created to provide innovative and convenient solutions for the energy-saving of streetlights.

The SolarLed4.0 app is a special application developed by the company for the purpose of providing better service to the customers. It can be downloaded and used by all types of users, including the streetlight customers and the company itself.

The app contains 9 main functions:

1. On/Off: Turn on/off the streetlight compulsively;

2. Light Setting: Adjust the brightness of the streetlight by resetting the season or the backup rainy days; Set the postpone ON time, etc;

3. Time Setting: Set the dawn/dusk lighting duration; Set the turn on/turn off time, etc;