Due to state-of-the-art technology and a completely new user-friendly communication and installation concept, the Sunny Boys 4000TL and 5000TL set new standards in inverter technology. Technical specifications: - Multi-string inverter (97% peak efficiency) - Blue tooth remote control and data exchange - Adjustable to the local voltages or different regions of the world - Water and fire proof cast aluminium housing manufactured to comply with IP standard 65 - Multiple language display - Electronic Solar Switch for quick and safe disconnection from the network - New lockable wall mounting concept - Ergonomic housing design for easy handling during wall mounting