The "Highly Efficient Lowpower Intelligent Handle" (HELIH®) is an innovative window handle designed for integration into KNX systems via the KNX RF Multi media coupler from ise. With numerous sensors, it enables comprehensive monitoring of the window and handle status. An electromechanical handle lock with bolt feedback and optional glass breakage monitoring offer additional security, without additional batteries.The HELIH® supports various switching functions for security, energy efficiency, convenience and damage prevention.The battery life is approx. 3.2 years with 1 locking cycle per day, approx. 3 years with 5 locking cycles per day, approx. 2.7 years with 10 locking cycles per day. The handle has protection class IP67 and an operating temperature of 0°C to +60°C. The scope of delivery includes mounting screws, a magnet, a surface-mounted housing, a battery and installation instructions.