Easyclickpro window contact, Battery-free radio window/door contact for monitoring the status of windows and doors with Easyclickpro radio signals via Easyclickpro receiver, bidirectional and radio interfaces to building system technology. The Easyclickpro window contact is wireless and completely maintenance-free with internal solar-powered energy storage. Operation in the dark for several days is possible. Immediate signal transmission as soon as a window opens or closes, triggered by a window magnet. The window contact can be mounted on all frame profiles. The wireless radio transmission makes it possible to retrofit window contacts for improved security. A CR1225 backup battery can be used as an option. Compatible with Easyclickpro receiver. , Technical specifications: Frequency: 868 MHz EnOcean profile: EEP D5-00-01 Power supply: Solar-powered energy storage for artificial light, (optional CR1225 battery can be used) Protection class: IP40 Ambient conditions: -20 to +60 °C non-condensing Color: similar to RAL 9010 Housing dimensions: 76.2 x 22 x 15 mm Magnet dimensions: 20 x 10 x 1.5 mm ,